A family of Microsoft relational database management systems designed for ease of use.
Ok, A FK correspomds to the PK in the parent table. So the ID field in tblTeacher should be TeacherID. If each center has a specific teacher then TeacherID goes as a foreign key in the Center table.
What are Boys and girls in the Center table? If that's a total by gender that shouldn't be stored either. Again its a calculated value.
Your also missing the Course table that links to the CourseID in the Student progress table.