• grade_grade_ : Grade , GradeWithSequence
• grade_id_ : GradeWithSequence , Grade
• grade_subject_ : GradeWithSequence , Grade
• student_first_name_ : Student , StudentWithPhoto
• student_gpa_ : StudentWithPhoto , Student
• student_id_ : GradeWithSequence , Student , Grade , StudentWithPhoto
• student_last_name_ : Student , StudentWithPhoto
• student_majors_ : StudentWithPhoto , Student
• student_photo_ : StudentWithPhoto