> For the complete documentation index, see [llms.txt](https://metfone.gitbook.io/sis-guidelines-system-admin/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://metfone.gitbook.io/sis-guidelines-system-admin/data-dictionary/school-data/major.md).
# Major
1. Users log in to the SIS website with the Super Admin account
2. On the menu bar, select the Data Dictionary => School Data function to display the Major screen
At the Major screen, users can search, add new, edit, and delete Major.
**Add new Major**
1. To add a new Major, users click the Add new button to display the Add new Major popup
2. Enter new Major information
* User should enter valid Subject information in the textbox.
* Then choose Save to add new data, new Major data should be displayed after saving on Major screen.
*\*Note:*
* Fields mark with \* must not be left blank.
* Do not enter an existing Subject ID. If the entered ID already exists, the system will display a message: "This ID already exist, please try another."
**Edit Major**
1. To edit Major information, users click the "Edit" icon (pencil icon), then the Edit Subject will pop up and display current information
2. Make changes in the selected subject. After editing, click the "Save" button to save
*\*Note:*
* Fields mark with \* must not be left blank.
* Do not enter an existing Subject ID. If the entered ID already exists, the system will display a message: "This ID already exist, please try another."
**Delete Major**
1. To delete a subject on the Major screen, users click the "Delete" icon (bin icon)
2. Click the "Delete" icon will display the Delete Subject popup
3. User can choose either Delete to delete selected room type or Cancel to do nothing and return to current screen
4. To confirm deletion, user click on the "Delete" button. Successful deletion will display the message "Delete Successfully"
5. To close the delete popup, users click the "Cancel" button.
[ ](https://metfone.gitbook.io/sis-user-manual-en/~/changes/ECGeqlcavdW65oX1VY6l/school-data/study-type)