show grades for students

we have built website to help students for showing there grades online , and help teacher to put the degrees in there class in specific period by admin , and admin level to control all off these ... 1-Term and year availability should be in the site when you activate term 2 it will create a fresh new term 2 to allow later the teachers to put the new degrees in the active term. there is admin,teachers, students data Entry sections ... 2-i want to add one page for uploading students by XLS sheet or manually but you have to update three tables when you add a student ... 3- Admin wants to see rank in his profile How many students registered and active ,how many teachers registered and active , how many teacher doesn't put the degree in the current term , how many student doesn't assign any degree ti him in the current term , online users . 4- I want to check one page mapping teacher when i assign one class to specific subject after selected it should not showing in the list it was working . 5-Give me access to update one field to move student from one class to other if there are a degree will moved also . There is a data export it will generate a file then you can downloaded its content all students id with subj id with degrees i want to make a new page like this page but with filter i can chose the grades and class then generate the database and code is Attached. Needed this done ASAP