diff --git a/database/00_schema.sql b/database/00_schema.sql
index f803dab..9376c26 100644
--- a/database/00_schema.sql
+++ b/database/00_schema.sql
@@ -1,8 +1,120 @@
-CREATE TABLE accounts (
-  user_id SERIAL PRIMARY KEY, 
-  username VARCHAR (50) UNIQUE NOT NULL, 
-  password VARCHAR (50) NOT NULL, 
-  email VARCHAR (255) UNIQUE NOT NULL, 
-  created_at TIMESTAMP NOT NULL, 
-  last_login TIMESTAMP
+CREATE TABLE PESSOA (
+  ID SERIAL PRIMARY KEY,
+  NOME VARCHAR (100) NOT NULL,
+  EMAIL VARCHAR (100) NOT NULL,
+  SENHA VARCHAR (50) NOT NULL,
+  CELULAR VARCHAR (50) NOT NULL
+);
+
+CREATE TABLE PROFESSOR (
+  ID SERIAL PRIMARY KEY,
+  ID_PESSOA INTEGER NOT NULL,
+  FOREIGN KEY (ID_PESSOA) REFERENCES PESSOA(ID)
+);
+
+CREATE TABLE ALUNO (
+  ID SERIAL PRIMARY KEY,
+  ID_PESSOA INTEGER NOT NULL,
+  FOREIGN KEY (ID_PESSOA) REFERENCES PESSOA(ID)
+);
+
+CREATE TABLE RESPONSAVEL (
+  ID SERIAL PRIMARY KEY,
+  ID_PESSOA INTEGER NOT NULL,
+  FOREIGN KEY (ID_PESSOA) REFERENCES PESSOA(ID)
+);
+
+CREATE TABLE COORDENADOR (
+  ID SERIAL PRIMARY KEY,
+  ID_PESSOA INTEGER NOT NULL,
+  FOREIGN KEY (ID_PESSOA) REFERENCES PESSOA(ID)
+);
+
+CREATE TABLE ESCOLA (
+  ID SERIAL PRIMARY KEY,
+  NOME VARCHAR (100) NOT NULL,
+  ID_COORDENADOR INTEGER NOT NULL,
+  FOREIGN KEY (ID_COORDENADOR) REFERENCES COORDENADOR(ID)
+);
+
+CREATE TABLE TURMA (
+  ID SERIAL PRIMARY KEY,
+  NOME VARCHAR (100) NOT NULL,
+  ID_ESCOLA INTEGER NOT NULL,
+  FOREIGN KEY (ID_ESCOLA) REFERENCES ESCOLA(ID)
+);
+
+CREATE TABLE DISCIPLINA (
+  ID SERIAL PRIMARY KEY,
+  NOME VARCHAR (100) NOT NULL,
+  ID_ESCOLA INTEGER NOT NULL,
+  FOREIGN KEY (ID_ESCOLA) REFERENCES ESCOLA(ID)
+);
+
+CREATE TABLE TURMA_DISCIPLINA (
+  ID SERIAL PRIMARY KEY,
+  ID_TURMA INTEGER NOT NULL,
+  ID_DISCIPLINA INTEGER NOT NULL,
+  FOREIGN KEY (ID_TURMA) REFERENCES TURMA(ID),
+  FOREIGN KEY (ID_DISCIPLINA) REFERENCES DISCIPLINA(ID)
+);
+
+CREATE TABLE TURMA_ALUNO (
+  ID SERIAL PRIMARY KEY,
+  ID_TURMA INTEGER NOT NULL,
+  ID_ALUNO INTEGER NOT NULL,
+  FOREIGN KEY (ID_TURMA) REFERENCES TURMA(ID),
+  FOREIGN KEY (ID_ALUNO) REFERENCES ALUNO(ID)
+);
+
+CREATE TABLE DISCIPLINA_PROFESSOR (
+  ID SERIAL PRIMARY KEY,
+  ID_DISCIPLINA INTEGER NOT NULL,
+  ID_PROFESSOR INTEGER NOT NULL,
+  FOREIGN KEY (ID_DISCIPLINA) REFERENCES DISCIPLINA(ID),
+  FOREIGN KEY (ID_PROFESSOR) REFERENCES PROFESSOR(ID)
+);
+
+CREATE TABLE RESPONSAVEL_ALUNO (
+  ID SERIAL PRIMARY KEY,
+  ID_RESPONSAVEL INTEGER NOT NULL,
+  ID_ALUNO INTEGER NOT NULL,
+  FOREIGN KEY (ID_RESPONSAVEL) REFERENCES RESPONSAVEL(ID),
+  FOREIGN KEY (ID_ALUNO) REFERENCES ALUNO(ID)
+);
+
+CREATE TABLE OCORRENCIA (
+  ID SERIAL PRIMARY KEY,
+  DESCRICAO VARCHAR (100) NOT NULL,
+  DATA DATE NOT NULL,
+  ID_ALUNO INTEGER NOT NULL,
+  ID_PROFESSOR INTEGER NOT NULL,
+  ID_TIPO_OCORRENCIA INTEGER NOT NULL,
+  FOREIGN KEY (ID_ALUNO) REFERENCES ALUNO(ID),
+  FOREIGN KEY (ID_PROFESSOR) REFERENCES PROFESSOR(ID),
+  FOREIGN KEY (ID_TIPO_OCORRENCIA) REFERENCES TIPO_OCORRENCIA(ID)
+);
+
+CREATE TABLE TIPO_OCORRENCIA (
+  ID SERIAL PRIMARY KEY,
+  NOME VARCHAR (100) NOT NULL
+);
+
+CREATE TABLE NOTIFICACAO (
+  ID SERIAL PRIMARY KEY,
+  MENSAGEM VARCHAR (255) NOT NULL,
+  DATA DATE NOT NULL,
+  ID_ALUNO INTEGER NOT NULL,
+  ID_RESPONSAVEL INTEGER NOT NULL,
+  ENVIADA BOOLEAN NOT NULL,
+  FOREIGN KEY (ID_ALUNO) REFERENCES ALUNO(ID),
+  FOREIGN KEY (ID_RESPONSAVEL) REFERENCES RESPONSAVEL(ID)
+);
+
+CREATE TABLE NOTIFICACAO_OCORRENCIA (
+  ID SERIAL PRIMARY KEY,
+  ID_NOTIFICACAO INTEGER NOT NULL,
+  ID_OCORRENCIA INTEGER NOT NULL,
+  FOREIGN KEY (ID_NOTIFICACAO) REFERENCES NOTIFICACAO(ID),
+  FOREIGN KEY (ID_OCORRENCIA) REFERENCES OCORRENCIA(ID)
 );
\ No newline at end of file
diff --git a/database/01_seed.sql b/database/01_seed.sql
index a2a16d5..e69de29 100644
--- a/database/01_seed.sql
+++ b/database/01_seed.sql
@@ -1 +0,0 @@
-INSERT INTO accounts (username, password, email, created_at) VALUES ('johndoe', 'password', 'test@email.com', NOW());
\ No newline at end of file