UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.95 Safari/537.36

Steps to reproduce the problem:
1. G Suite Admins cannot disable "Explore"
2. 
3. 

What is the expected behavior?
The expected behavior is for G Suite Admins, specifically using Google Classroom or Google for Education, to have the rights to disable "Explore". 

What went wrong?
Students that are taking notes or tests can use "Explore" to use outside sources when they should not.

Did this work before? N/A 

Chrome version: 55.0.2883.95  Channel: stable
OS Version: OS X 10.11.6
Flash Version: Shockwave Flash 24.0 r0