diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index acbd50efb8..302133ae61 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -2,9 +2,13 @@ name: tests
 
 on:
   push:
-    branches: 2.*
+    branches:
+      - 2.*
+      - master
   pull_request:
-    branches: 2.*
+    branches:
+      - 2.*
+      - master
 
 jobs:
   default:
diff --git a/app/Http/Controllers/Api/StudentController.php b/app/Http/Controllers/Api/StudentController.php
new file mode 100644
index 0000000000..220fa462a9
--- /dev/null
+++ b/app/Http/Controllers/Api/StudentController.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Http\Controllers\Api;
+
+use App\Http\Controllers\Controller;
+use App\Http\Requests\Api\UpdateStateRegistrationRequest;
+use App\Models\LegacyStudent;
+use Throwable;
+
+class StudentController extends Controller
+{
+    /**
+     * Atualiza a inscrição estadual de um aluno.
+     *
+     * @param UpdateStateRegistrationRequest $request
+     * @param LegacyStudent                  $student
+     *
+     * @throws Throwable
+     * @return array
+     */
+    public function updateStateRegistration(UpdateStateRegistrationRequest $request, LegacyStudent $student)
+    {
+        $student->state_registration_id = $request->getStateRegistration();
+        $student->saveOrFail();
+
+        return [
+            'id' => $student->getKey(),
+            'state_registration_id' => $student->state_registration_id,
+        ];
+    }
+}
diff --git a/app/Http/Kernel.php b/app/Http/Kernel.php
index bc93747b93..db3c90345f 100644
--- a/app/Http/Kernel.php
+++ b/app/Http/Kernel.php
@@ -46,6 +46,11 @@ class Kernel extends HttpKernel
         'api' => [
             'bindings',
         ],
+
+        'api:rest' => [
+            'bindings',
+            \App\Http\Middleware\CheckToken::class,
+        ],
     ];
 
     /**
diff --git a/app/Http/Middleware/CheckToken.php b/app/Http/Middleware/CheckToken.php
new file mode 100644
index 0000000000..e06f6bd259
--- /dev/null
+++ b/app/Http/Middleware/CheckToken.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Validation\UnauthorizedException;
+
+class CheckToken
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param Request $request
+     * @param Closure $next
+     *
+     * @return mixed
+     */
+    public function handle($request, Closure $next)
+    {
+        $token = $request->bearerToken();
+
+        if ($token && config('legacy.apis.access_key') === $token) {
+            return $next($request);
+        }
+
+        throw new UnauthorizedException();
+    }
+}
diff --git a/app/Http/Requests/Api/UpdateStateRegistrationRequest.php b/app/Http/Requests/Api/UpdateStateRegistrationRequest.php
new file mode 100644
index 0000000000..7985bd4149
--- /dev/null
+++ b/app/Http/Requests/Api/UpdateStateRegistrationRequest.php
@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Http\Requests\Api;
+
+use App\Rules\StateRegistrationFormatRule;
+use App\Rules\StateRegistrationUniqueRule;
+use Illuminate\Foundation\Http\FormRequest;
+
+class UpdateStateRegistrationRequest extends FormRequest
+{
+    /**
+     * Determine if the user is authorized to make this request.
+     *
+     * @return bool
+     */
+    public function authorize()
+    {
+        return true;
+    }
+
+    /**
+     * Get the validation rules that apply to the request.
+     *
+     * @return array
+     */
+    public function rules()
+    {
+        return [
+            'state_registration_id' => [
+                new StateRegistrationFormatRule(),
+                new StateRegistrationUniqueRule($this->student),
+            ],
+        ];
+    }
+
+    /**
+     * @return string
+     */
+    public function getStateRegistration()
+    {
+        return $this->input('state_registration_id');
+    }
+}
diff --git a/app/Models/LegacyStudent.php b/app/Models/LegacyStudent.php
index 4f3dbf186e..e3726930af 100644
--- a/app/Models/LegacyStudent.php
+++ b/app/Models/LegacyStudent.php
@@ -83,6 +83,16 @@ public function getInepNumberAttribute()
         return $this->inep ? $this->inep->number : null;
     }
 
+    public function getStateRegistrationIdAttribute()
+    {
+        return $this->aluno_estado_id;
+    }
+
+    public function setStateRegistrationIdAttribute($value)
+    {
+        $this->aluno_estado_id = $value;
+    }
+
     public function inep()
     {
         return $this->hasOne(StudentInep::class, 'cod_aluno', 'cod_aluno');
diff --git a/app/Rules/StateRegistrationFormatRule.php b/app/Rules/StateRegistrationFormatRule.php
new file mode 100644
index 0000000000..3f9dd18c18
--- /dev/null
+++ b/app/Rules/StateRegistrationFormatRule.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace App\Rules;
+
+use Illuminate\Contracts\Validation\Rule;
+
+class StateRegistrationFormatRule implements Rule
+{
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param string $attribute
+     * @param mixed  $value
+     *
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return preg_match('/[0-9]{3}\.[0-9]{3}\.[0-9]{3}(\-[0-9]{1})?/', $value);
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return 'O número de inscrição é inválido.';
+    }
+}
diff --git a/app/Rules/StateRegistrationUniqueRule.php b/app/Rules/StateRegistrationUniqueRule.php
new file mode 100644
index 0000000000..006bace6bf
--- /dev/null
+++ b/app/Rules/StateRegistrationUniqueRule.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace App\Rules;
+
+use App\Models\LegacyStudent;
+use Illuminate\Contracts\Validation\Rule;
+
+class StateRegistrationUniqueRule implements Rule
+{
+    private $studentToIgnore;
+
+    /**
+     * Create a new rule instance.
+     *
+     * @param LegacyStudent $studentToIgnore
+     */
+    public function __construct($studentToIgnore = null)
+    {
+        $this->studentToIgnore = $studentToIgnore;
+    }
+
+    /**
+     * Determine if the validation rule passes.
+     *
+     * @param  string  $attribute
+     * @param  mixed  $value
+     * @return bool
+     */
+    public function passes($attribute, $value)
+    {
+        return LegacyStudent::query()
+            ->where('aluno_estado_id', $value)
+            ->when($this->studentToIgnore, function ($query) use ($value) {
+                $query->where('cod_aluno', '<>', $this->studentToIgnore->getKey());
+            })
+            ->doesntExist();
+    }
+
+    /**
+     * Get the validation error message.
+     *
+     * @return string
+     */
+    public function message()
+    {
+        return 'Já existe uma aluno com este número de inscrição.';
+    }
+}
diff --git a/app/Services/CyclicRegimeService.php b/app/Services/CyclicRegimeService.php
index b4a2d70279..a0bfabd076 100644
--- a/app/Services/CyclicRegimeService.php
+++ b/app/Services/CyclicRegimeService.php
@@ -26,6 +26,7 @@ public function getAllRegistrationsOfCycle($registration)
             foreach ($grades as $grade) {
                 $result = LegacyRegistration::where('ref_ref_cod_serie', $grade->getKey())
                     ->where('ref_cod_aluno', $registration->ref_cod_aluno)
+                    ->where('ano', $registration->ano)
                     ->active()
                     ->get()
                     ->first();
diff --git a/composer.lock b/composer.lock
index c51d23ac70..93be467b5a 100644
--- a/composer.lock
+++ b/composer.lock
@@ -64,16 +64,16 @@
         },
         {
             "name": "aws/aws-sdk-php",
-            "version": "3.171.21",
+            "version": "3.172.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/aws/aws-sdk-php.git",
-                "reference": "0455d92bb12d44f80db96a4e70861d186063e9e5"
+                "reference": "5a5e66c4d54c392042820703eeb8a6bd3d222924"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/0455d92bb12d44f80db96a4e70861d186063e9e5",
-                "reference": "0455d92bb12d44f80db96a4e70861d186063e9e5",
+                "url": "https://api.github.com/repos/aws/aws-sdk-php/zipball/5a5e66c4d54c392042820703eeb8a6bd3d222924",
+                "reference": "5a5e66c4d54c392042820703eeb8a6bd3d222924",
                 "shasum": ""
             },
             "require": {
@@ -148,9 +148,9 @@
             "support": {
                 "forum": "https://forums.aws.amazon.com/forum.jspa?forumID=80",
                 "issues": "https://github.com/aws/aws-sdk-php/issues",
-                "source": "https://github.com/aws/aws-sdk-php/tree/3.171.21"
+                "source": "https://github.com/aws/aws-sdk-php/tree/3.172.0"
             },
-            "time": "2021-01-21T19:15:43+00:00"
+            "time": "2021-01-22T19:21:38+00:00"
         },
         {
             "name": "aws/aws-sdk-php-laravel",
@@ -8116,16 +8116,16 @@
         },
         {
             "name": "filp/whoops",
-            "version": "2.9.1",
+            "version": "2.9.2",
             "source": {
                 "type": "git",
                 "url": "https://github.com/filp/whoops.git",
-                "reference": "307fb34a5ab697461ec4c9db865b20ff2fd40771"
+                "reference": "df7933820090489623ce0be5e85c7e693638e536"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/filp/whoops/zipball/307fb34a5ab697461ec4c9db865b20ff2fd40771",
-                "reference": "307fb34a5ab697461ec4c9db865b20ff2fd40771",
+                "url": "https://api.github.com/repos/filp/whoops/zipball/df7933820090489623ce0be5e85c7e693638e536",
+                "reference": "df7933820090489623ce0be5e85c7e693638e536",
                 "shasum": ""
             },
             "require": {
@@ -8175,9 +8175,15 @@
             ],
             "support": {
                 "issues": "https://github.com/filp/whoops/issues",
-                "source": "https://github.com/filp/whoops/tree/2.9.1"
+                "source": "https://github.com/filp/whoops/tree/2.9.2"
             },
-            "time": "2020-11-01T12:00:00+00:00"
+            "funding": [
+                {
+                    "url": "https://github.com/denis-sokolov",
+                    "type": "github"
+                }
+            ],
+            "time": "2021-01-24T12:00:00+00:00"
         },
         {
             "name": "friendsofphp/php-cs-fixer",
diff --git a/database/sqls/views/public.info_enrollment.sql b/database/sqls/views/public.info_enrollment.sql
index 7a9a2a829d..4f79e01635 100644
--- a/database/sqls/views/public.info_enrollment.sql
+++ b/database/sqls/views/public.info_enrollment.sql
@@ -43,4 +43,5 @@ from pmieducar.matricula_turma enturmacao
 inner join pmieducar.matricula matricula on true
 and matricula.cod_matricula = enturmacao.ref_cod_matricula
 inner join pmieducar.turma turma on true
-and turma.cod_turma = enturmacao.ref_cod_turma;
+and turma.cod_turma = enturmacao.ref_cod_turma
+and turma.ativo = 1;
diff --git a/ieducar/intranet/educar_matricula_det.php b/ieducar/intranet/educar_matricula_det.php
index acb1c82622..62b6c98626 100644
--- a/ieducar/intranet/educar_matricula_det.php
+++ b/ieducar/intranet/educar_matricula_det.php
@@ -219,7 +219,7 @@ public function Gerar()
         $situacao = App_Model_MatriculaSituacao::getSituacao($registro['aprovado']);
         $this->addDetalhe(['Situação', $situacao]);
 
-        if ($registro['aprovado'] == 4) {
+        if ($registro['aprovado'] == App_Model_MatriculaSituacao::TRANSFERIDO) {
             $obj_transferencia = new clsPmieducarTransferenciaSolicitacao();
 
             $lst_transferencia = $obj_transferencia->lista(null, null, null, null, null, $registro['cod_matricula'], null, null, null, null, null, 1, null, null, $registro['ref_cod_aluno'], false);
@@ -236,23 +236,24 @@ public function Gerar()
                 $this->addDetalhe(['Estado escola destino', $det_transferencia['estado_escola_destino_externa']]);
                 $this->addDetalhe(['Município escola destino', $det_transferencia['municipio_escola_destino_externa']]);
             }
+            $this->addDetalhe(['Observação', $det_transferencia['observacao']]);
         }
 
         if ($registro['aprovado'] == App_Model_MatriculaSituacao::FALECIDO) {
-            $this->addDetalhe(['Observação', Portabilis_String_Utils::toLatin1($registro['observacao'])]);
+            $this->addDetalhe(['Observação', $registro['observacao']]);
         }
 
         if ($existeSaidaEscola) {
             $this->addDetalhe(['Saída da escola', 'Sim']);
             $this->addDetalhe(['Data de saída da escola', Portabilis_Date_Utils::pgSQLToBr($registro['data_saida_escola'])]);
-            $this->addDetalhe(['Observação', Portabilis_String_Utils::toLatin1($registro['observacao'])]);
+            $this->addDetalhe(['Observação', $registro['observacao']]);
         }
 
         if ($registro['aprovado'] == App_Model_MatriculaSituacao::ABANDONO) {
             $tipoAbandono = new clsPmieducarAbandonoTipo($registro['ref_cod_abandono_tipo']);
             $tipoAbandono = $tipoAbandono->detalhe();
 
-            $observacaoAbandono = Portabilis_String_Utils::toLatin1($registro['observacao']);
+            $observacaoAbandono = $registro['observacao'];
 
             $this->addDetalhe(['Motivo do Abandono', $tipoAbandono['nome']]);
             $this->addDetalhe(['Observação', $observacaoAbandono]);
diff --git a/ieducar/intranet/educar_serie_cad.php b/ieducar/intranet/educar_serie_cad.php
index 7107daf4ff..3cbf7823a5 100644
--- a/ieducar/intranet/educar_serie_cad.php
+++ b/ieducar/intranet/educar_serie_cad.php
@@ -111,7 +111,7 @@ public function Inicializar()
                     ],[
                         'serie' => $this->cod_serie
                     ],
-                    [],
+                    ['ano_letivo' => 'DESC'],
                     false
                 );
             }
diff --git a/ieducar/intranet/educar_transferencia_solicitacao_cad.php b/ieducar/intranet/educar_transferencia_solicitacao_cad.php
index 47000526ab..42df793f66 100644
--- a/ieducar/intranet/educar_transferencia_solicitacao_cad.php
+++ b/ieducar/intranet/educar_transferencia_solicitacao_cad.php
@@ -163,7 +163,7 @@ public function Gerar()
         $ref_cod_instituicao = $det_matricula['ref_cod_instituicao'];
 
         $this->inputsHelper()->dynamic(['instituicao'], ['required' => false]);
-        $this->inputsHelper()->dynamic(['escola'], ['label_hint' => 'Destino do aluno', 'required' => false]);
+        $this->inputsHelper()->dynamic(['escolaSemFiltroPorUsuario'], ['label_hint' => 'Destino do aluno', 'required' => false]);
         $this->inputsHelper()->checkbox('escola_em_outro_municipio', ['label' => 'Escola em outro municipio?', ]);
         $this->campoTexto('escola_destino_externa', 'Nome da escola ', '', 30, 255, false, false, false, '');
         $this->campoTexto('estado_escola_destino_externa', 'Estado da escola ', '', 20, 50, false, false, false, '');
diff --git a/ieducar/lib/Portabilis/View/Helper/DynamicInput/EscolaSemFiltroPorUsuario.php b/ieducar/lib/Portabilis/View/Helper/DynamicInput/EscolaSemFiltroPorUsuario.php
new file mode 100644
index 0000000000..b81e571fcb
--- /dev/null
+++ b/ieducar/lib/Portabilis/View/Helper/DynamicInput/EscolaSemFiltroPorUsuario.php
@@ -0,0 +1,33 @@
+<?php
+
+require_once 'lib/Portabilis/View/Helper/DynamicInput/CoreSelect.php';
+require_once 'Portabilis/Business/Professor.php';
+require_once 'App/Model/NivelTipoUsuario.php';
+
+class Portabilis_View_Helper_DynamicInput_EscolaSemFiltroPorUsuario extends Portabilis_View_Helper_DynamicInput_CoreSelect
+{
+    protected function inputValue($value = null)
+    {
+        return $this->getEscolaId($value);
+    }
+
+    protected function inputName()
+    {
+        return 'ref_cod_escola';
+    }
+
+    protected function inputOptions($options)
+    {
+        $instituicaoId = $this->getInstituicaoId($options['instituicaoId'] ?? null);
+        $resources = App_Model_IedFinder::getEscolas($instituicaoId);
+
+        return $this->insertOption(null, 'Selecione uma escola', $resources);
+    }
+
+    public function escolaSemFiltroPorUsuario($options = [])
+    {
+        $this->select($options);
+        Portabilis_View_Helper_Application::loadChosenLib($this->viewInstance);
+        Portabilis_View_Helper_Application::loadJavascript($this->viewInstance, '/modules/DynamicInput/Assets/Javascripts/Escola.js');
+    }
+}
diff --git a/readme.md b/readme.md
index 4b1849888c..c7eeb002a9 100644
--- a/readme.md
+++ b/readme.md
@@ -67,7 +67,7 @@ ajudar a alcançar nossos objetivos.
 - [Instalação do pacote de relatórios](#instalação-do-pacote-de-relatórios)
 - [Upgrade](#upgrade)
 
-### Depêndencias
+### Dependência
 
 Para executar o projeto é necessário a utilização de alguns softwares para
 facilitar o desenvolvimento.
@@ -81,8 +81,9 @@ facilitar o desenvolvimento.
 #### Servidor
 
 - [PHP](http://php.net/) versão 7.4
-- [Postgres](https://www.postgresql.org/) versão 9.5 (exata)
+- [Postgres](https://www.postgresql.org/) versão 9.5
 - [Nginx](https://www.nginx.com/)
+- [Redis](https://redis.io/)
 
 As seguintes extensões do PHP são necessárias:
 
diff --git a/routes/api.php b/routes/api.php
index e2df7b9e2b..04465ffc18 100644
--- a/routes/api.php
+++ b/routes/api.php
@@ -18,6 +18,11 @@
 Route::get('/postal-code/{postalCode}', 'Api\PostalCodeController@search');
 
 Route::post('/students/{student}/rotate-picture', 'Api\StudentRotatePictureController@rotate');
+Route::group([
+    'middleware' => 'api:rest',
+], function () {
+    Route::put('/students/{student}/update-state-registration', 'Api\StudentController@updateStateRegistration');
+});
 
 Route::get('/school-class/calendars', 'Api\SchoolClassController@getCalendars');
 Route::get('/school-class/stages/{schoolClass}', 'Api\SchoolClassController@getStages');
diff --git a/tests/Feature/Api/StudentControllerTest.php b/tests/Feature/Api/StudentControllerTest.php
new file mode 100644
index 0000000000..1812ebab1c
--- /dev/null
+++ b/tests/Feature/Api/StudentControllerTest.php
@@ -0,0 +1,95 @@
+<?php
+
+namespace Tests\Feature\Api;
+
+use App\Models\LegacyStudent;
+use Illuminate\Foundation\Testing\DatabaseTransactions;
+use Illuminate\Validation\ValidationException;
+use Tests\TestCase;
+
+class StudentControllerTest extends TestCase
+{
+    use DatabaseTransactions;
+
+    public function testUpdateStateRegistration()
+    {
+        /** @var LegacyStudent $student */
+        $student = factory(LegacyStudent::class)->create();
+
+        $stateRegistration = '000.000.000';
+
+        $response = $this->put("/api/students/{$student->getKey()}/update-state-registration", [
+            'state_registration_id' => $stateRegistration,
+        ], $this->getAuthorizationHeader());
+
+        $response->assertSuccessful();
+        $response->assertJson([
+            'id' => $student->getKey(),
+            'state_registration_id' => $stateRegistration,
+        ]);
+
+        $this->assertDatabaseHas($student->getTable(), [
+            'cod_aluno' => $student->getKey(),
+            'aluno_estado_id' => $stateRegistration,
+        ]);
+    }
+
+    public function testUpdateStateRegistrationWithDigit()
+    {
+        /** @var LegacyStudent $student */
+        $student = factory(LegacyStudent::class)->create();
+
+        $stateRegistration = '000.000.000-1';
+
+        $response = $this->put("/api/students/{$student->getKey()}/update-state-registration", [
+            'state_registration_id' => $stateRegistration,
+        ], $this->getAuthorizationHeader());
+
+        $response->assertSuccessful();
+        $response->assertJson([
+            'id' => $student->getKey(),
+            'state_registration_id' => $stateRegistration,
+        ]);
+
+        $this->assertDatabaseHas($student->getTable(), [
+            'cod_aluno' => $student->getKey(),
+            'aluno_estado_id' => $stateRegistration,
+        ]);
+    }
+
+    public function testUpdateStateRegistrationDuplicated()
+    {
+        $this->expectException(ValidationException::class);
+
+        $stateRegistration = '000.000.000';
+
+        /** @var LegacyStudent $student */
+        $student = factory(LegacyStudent::class)->create();
+
+        factory(LegacyStudent::class)->create([
+            'aluno_estado_id' => $stateRegistration,
+        ]);
+
+        $response = $this->put("/api/students/{$student->getKey()}/update-state-registration", [
+            'state_registration_id' => $stateRegistration,
+        ], $this->getAuthorizationHeader());
+
+        $response->assertJson([]);
+    }
+
+    public function testUpdateStateRegistrationInvalid()
+    {
+        $this->expectException(ValidationException::class);
+
+        /** @var LegacyStudent $student */
+        $student = factory(LegacyStudent::class)->create();
+
+        $stateRegistration = 1234;
+
+        $response = $this->put("/api/students/{$student->getKey()}/update-state-registration", [
+            'state_registration_id' => $stateRegistration,
+        ], $this->getAuthorizationHeader());
+
+        $response->assertJson([]);
+    }
+}
diff --git a/tests/TestCase.php b/tests/TestCase.php
index dcaa47bc67..0d280c6898 100644
--- a/tests/TestCase.php
+++ b/tests/TestCase.php
@@ -37,6 +37,18 @@ protected function enableForeignKeys()
         DB::statement('SET session_replication_role = DEFAULT;');
     }
 
+    /**
+     * Retorna o header de autorização da API.
+     *
+     * @return string[]
+     */
+    protected function getAuthorizationHeader()
+    {
+        return [
+            'Authorization' => 'Bearer ' . env('API_ACCESS_KEY')
+        ];
+    }
+
     /**
      * Método necessário para executar testes legados.
      *