Open Settings on your iPhone / iPad

Scroll down on the left hand side until you see Passwords & Accounts. 


 Select Passwords & Accounts and then Add Account  

Select Exchange

Email: Enter your district Email address

Description: Can be left blank or set to name of your choice

Select Sign In

Enter your district password

 Simply click Save and it will add the account. 

You can now access your email from the built-in Mail app.