To remove access to Academics for teachers:
  1. Go to Core > Security > Roles 
  2. Select the Teacher Role 
  3. Click Tasks
  4. Unmark the following tasks:
Attendance - Master Page
*Manage Attendance
Edit Attendance
Official Notes
Add Official Note
Gradebook Assignment Types
Delete Assignment Type
Edit Assignment Type
*Manage Grade Books
Copy Grade Book
View Grade Book
My Grade Books
Calculate Grades
Record Grades
Bulk Edit Assessment
Record Assessment
Record Grade Comment
Record Grades
Record Grades
View Report Cards
View Transcripts
Medical Contact Card
Student Medical Profile Security For Staff
Course Recommendations
My Day
My Week
Schedule - Master Page