Go to your iPhone or iPad's Settings > scroll down and tap Accounts & Passwords > Add Account.Note: If you're on iOS 10, go to Mail > Accounts >Add Account.
Enter your District email address and add a description of your account. Tap NextEx: [email protected]
Tap Sign In.
If prompted with "Which one do you want to use? Work or Personal Account" choose Work or school account
Enter the password associated with your email account. Tap Sign in or Next.
The Mail app may request certain permissions. Tap Accept.
Choose the services you want to sync with your iOS device and tap Save. You're done!