Relationship in school gradebook

Hello  everyone down here, permit me start this way please

i am a school teacher ( in Africa), new to filemaker and starting with a difficult database. It goes like this:

a new ACADEMIC YEAR began the ACADEMIC YEAR is divided into three TERMS( called 1st term,2nd term and 3rd term) and  STUDENTS are registered in different CLASSES (called primary1,primary2,primary3 ...........)

all these CLASSES offers similar SUBJECTS ( maths,english,health science.............)

in each TERM three types of EXAMINATION ( 1st test,  2nd test,  3rd test) are conducted in each SUBJECT,their scores added together and FINAL GRADE produced for each student in each class(report card is issued)

my proposed tables are written in bold upper case

ACADEMIC YEAR

TERMS

STUDENTS

CLASSES

SUBJECTS

EXAMINATION

FINAL GRADE

and others which i dont know

how can i relate these tables , any ERD  ,notation, suggestion or sample will be appreciated.

Thanks in advance