diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/controller/GradeController.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/controller/GradeController.java
new file mode 100644
index 0000000..dcfa6e0
--- /dev/null
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/controller/GradeController.java
@@ -0,0 +1,21 @@
+package br.com.viktor.javawebpoc.controller;
+
+import javax.inject.Inject;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+import br.com.viktor.javawebpoc.controller.base.AbstractCrudController;
+import br.com.viktor.javawebpoc.entity.Grade;
+import br.com.viktor.javawebpoc.facade.GradeFacade;
+
+@Controller
+@RequestMapping("/grade")
+public class GradeController extends AbstractCrudController<Grade> {
+
+	@Inject
+	public GradeController(GradeFacade gradeFacade) {
+		super(gradeFacade);
+	}
+
+}
diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/controller/StudentController.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/controller/StudentController.java
index 97d078b..06fd1f6 100644
--- a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/controller/StudentController.java
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/controller/StudentController.java
@@ -1,21 +1,37 @@
 package br.com.viktor.javawebpoc.controller;
 
+import java.util.List;
+
 import javax.inject.Inject;
 
 import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.ResponseBody;
 
 import br.com.viktor.javawebpoc.controller.base.AbstractCrudController;
+import br.com.viktor.javawebpoc.entity.Grade;
 import br.com.viktor.javawebpoc.entity.Student;
+import br.com.viktor.javawebpoc.exception.invalidArgument.NullArgumentException;
+import br.com.viktor.javawebpoc.exception.notFound.NotFoundException;
 import br.com.viktor.javawebpoc.facade.StudentFacade;
 
 @Controller
 @RequestMapping("/student")
 public class StudentController extends AbstractCrudController<Student>  {
 
+	private StudentFacade studentFacade;
+
 	@Inject
-	public StudentController(StudentFacade facade) {
-		super(facade);
+	public StudentController(StudentFacade studentFacade) {
+		super(studentFacade);
+		this.studentFacade = studentFacade;
 	}
 	
+	@RequestMapping(value = "/{studentId}/grade", method = RequestMethod.GET)
+	@ResponseBody
+	public List<Grade> findAllGradeByStudentId(@PathVariable Long studentId) throws NotFoundException, NullArgumentException{
+		return studentFacade.findAllByStudentId(studentId);
+	}
 }
diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/entity/Grade.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/entity/Grade.java
new file mode 100644
index 0000000..a046672
--- /dev/null
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/entity/Grade.java
@@ -0,0 +1,35 @@
+package br.com.viktor.javawebpoc.entity;
+
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
+import br.com.viktor.javawebpoc.entity.base.AbstractEntity;
+
+@Entity
+@Table(name = "TB_GRADE")
+public class Grade extends AbstractEntity {
+	
+	@ManyToOne(fetch = FetchType.EAGER)
+	private Student student;
+	
+	private Float score;
+	
+	public Float getScore() {
+		return score;
+	}
+
+	public void setScore(Float score) {
+		this.score = score;
+	}
+
+	public Student getStudent() {
+		return student;
+	}
+
+	public void setStudent(Student student) {
+		this.student = student;
+	}
+	
+}
\ No newline at end of file
diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/facade/GradeFacade.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/facade/GradeFacade.java
new file mode 100644
index 0000000..840faa0
--- /dev/null
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/facade/GradeFacade.java
@@ -0,0 +1,26 @@
+package br.com.viktor.javawebpoc.facade;
+
+import javax.inject.Inject;
+
+import org.springframework.stereotype.Component;
+import org.springframework.transaction.annotation.Transactional;
+
+import br.com.viktor.javawebpoc.entity.Grade;
+import br.com.viktor.javawebpoc.facade.base.AbstractCrudFacade;
+import br.com.viktor.javawebpoc.service.contract.GradeServiceContract;
+
+@Component
+@Transactional
+public class GradeFacade extends AbstractCrudFacade<Grade>{
+
+	public GradeFacade(){
+		super(null);
+	}
+	
+	@Inject
+	public GradeFacade(GradeServiceContract gradeService) {
+		super(gradeService);
+
+	}
+
+}
diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/facade/StudentFacade.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/facade/StudentFacade.java
index 4a3bf37..890426c 100644
--- a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/facade/StudentFacade.java
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/facade/StudentFacade.java
@@ -1,20 +1,40 @@
 package br.com.viktor.javawebpoc.facade;
 
-import org.springframework.beans.factory.annotation.Autowired;
+import java.util.List;
+
+import javax.inject.Inject;
+
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
+import br.com.viktor.javawebpoc.entity.Grade;
 import br.com.viktor.javawebpoc.entity.Student;
+import br.com.viktor.javawebpoc.exception.invalidArgument.NullArgumentException;
+import br.com.viktor.javawebpoc.exception.notFound.NotFoundException;
 import br.com.viktor.javawebpoc.facade.base.AbstractCrudFacade;
-import br.com.viktor.javawebpoc.service.contract.base.AbstractCrudContract;
+import br.com.viktor.javawebpoc.service.contract.GradeServiceContract;
+import br.com.viktor.javawebpoc.service.contract.StudentServiceContract;
 
 @Component
 @Transactional
 public class StudentFacade extends AbstractCrudFacade<Student> {
 
-	@Autowired
-	public StudentFacade(AbstractCrudContract<Student> abstractCrud) {
-		super(abstractCrud);
+	private StudentServiceContract studentService;
+	private GradeServiceContract gradeService;
+
+	public StudentFacade(){
+		super(null);
+	}
+	
+	@Inject
+	public StudentFacade(StudentServiceContract studentService, GradeServiceContract gradeService) {
+		super(studentService);
+		this.studentService = studentService;
+		this.gradeService = gradeService;
+	}
+	
+	public List<Grade> findAllByStudentId(Long studentId) throws NotFoundException, NullArgumentException{
+		return this.gradeService.findAllByStudent(this.studentService.find(studentId));
 	}
 
 }
\ No newline at end of file
diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/repository/GradeRepositoryContract.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/repository/GradeRepositoryContract.java
new file mode 100644
index 0000000..2cbbd63
--- /dev/null
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/repository/GradeRepositoryContract.java
@@ -0,0 +1,14 @@
+package br.com.viktor.javawebpoc.repository;
+
+import java.util.List;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+import br.com.viktor.javawebpoc.entity.Grade;
+import br.com.viktor.javawebpoc.entity.Student;
+
+@Repository
+public interface GradeRepositoryContract extends JpaRepository<Grade, Long> {
+	public List<Grade> findAllByStudent(Student student);
+}
diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/service/contract/GradeServiceContract.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/service/contract/GradeServiceContract.java
new file mode 100644
index 0000000..e3e332e
--- /dev/null
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/service/contract/GradeServiceContract.java
@@ -0,0 +1,11 @@
+package br.com.viktor.javawebpoc.service.contract;
+
+import java.util.List;
+
+import br.com.viktor.javawebpoc.entity.Grade;
+import br.com.viktor.javawebpoc.entity.Student;
+import br.com.viktor.javawebpoc.service.contract.base.AbstractCrudContract;
+
+public interface GradeServiceContract extends AbstractCrudContract<Grade> {
+	public List<Grade> findAllByStudent(Student student);
+}
diff --git a/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/service/impl/GradeService.java b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/service/impl/GradeService.java
new file mode 100644
index 0000000..b473a0d
--- /dev/null
+++ b/javawebpoc-web/src/main/java/br/com/viktor/javawebpoc/service/impl/GradeService.java
@@ -0,0 +1,53 @@
+package br.com.viktor.javawebpoc.service.impl;
+
+import java.util.List;
+
+import javax.inject.Inject;
+import javax.persistence.EntityExistsException;
+
+import org.springframework.stereotype.Service;
+
+import br.com.viktor.javawebpoc.entity.Grade;
+import br.com.viktor.javawebpoc.entity.Student;
+import br.com.viktor.javawebpoc.exception.alreadyExists.AlreadyExistsException;
+import br.com.viktor.javawebpoc.exception.invalidArgument.InvalidArgumentException;
+import br.com.viktor.javawebpoc.exception.notFound.NotFoundException;
+import br.com.viktor.javawebpoc.repository.GradeRepositoryContract;
+import br.com.viktor.javawebpoc.service.contract.GradeServiceContract;
+import br.com.viktor.javawebpoc.service.impl.base.AbstractCrudService;
+
+@Service
+public class GradeService extends AbstractCrudService<Grade> implements GradeServiceContract {
+
+	private GradeRepositoryContract gradeRepository;
+
+	@Inject
+	public GradeService(GradeRepositoryContract gradeRepository) {
+		super(gradeRepository);
+		this.gradeRepository = gradeRepository;
+	}
+
+	@Override
+	protected void checkIfValid(Grade entity) throws InvalidArgumentException {
+		if(entity.getScore() > 10 || entity.getScore() < 0){
+			throw new InvalidArgumentException();
+		}
+		
+	}
+
+	@Override
+	protected void checkBussinessKey(Grade entity)
+			throws AlreadyExistsException {
+		try {
+			if(this.find(entity.getId()) != null)
+				throw new EntityExistsException();
+		} catch (NotFoundException e) {}
+
+	}
+
+	@Override
+	public List<Grade> findAllByStudent(Student student) {
+		return gradeRepository.findAllByStudent(student);
+	}
+
+}