STUDENT CODES  are student based items
1. Hover over the FAMILIES Tab
2. Select MANAGE FAMILIES from the drop-down menu
3. Find the VIEW MODE filter and select STUDENT VIEW
3. While on this page, mark the box to the left of the selected student(s) you wish to assign this code to
4. Click SELECT ACTION
5. Select CHANGE STUDENT CODE from the drop-down menu
6. Click on the code you want
7. Press SUBMIT

TYPE CODES are family based items 
1. Hover over the FAMILIES Tab
2. Select MANAGE FAMILIES from the drop-down menu
3. While on this page, Mark the box to the left of the selected family/families you wish to assign this code to
4. Click SELECT ACTION
5. Select CHANGE TYPE CODES from the drop-down menu
6. Click on the code you want
7. Press SUBMIT

If the desired code is not provided, you may need to create it. Please reference How Can I Create Student Codes or Type Codes