The following is an announcement from the Ada school website:

Looking for online internet options? Here's some info we have:

Watch Communications:
The following measures are being implemented immediately and will remain in effect until April 30, 2020:

• Data caps will not be enforced in areas of our network where caps are in place;
• WiFi hot zones owned by Watch Communications will be opened for public access;
• Additional open-access WiFi hot zones are being deployed in coordination with local officials.
https://watchcomm.net/uncategorized/covid-19-response/

Sprint:
Most consumer customers on metered data (not Unlimited) plans will receive Unlimited data for 60 days (or a minimum of 2 bill cycles).

Sprint will provide an additional 20 GB Mobile Hotspot per month per line for customers that already have Mobile Hotspot in their plan for 60 days (or a minimum of 2 bill cycles).

Sprint will also provide 20 GB Mobile Hotspot per month per line to any customer that has a capable handset and does not have Mobile Hotspot today for 60 days (or a minimum of 2 bill cycles).

https://www.sprint.com/en/landings/covid-19.html#faq-05

T-Mobile:
Same offer as Sprint

https://www.t-mobile.com/brand/ongoing-updates-covid-19

Verizon:
No changes at this time

Charter (Spectrum):
Charter will offer free Spectrum broadband and Wi-Fi access
for 60 days to households with K-12 and/or college students
who do not already have a Spectrum broadband subscription and at any service level up to 100 Mbps. To enroll call 1-844-488-8395. Installation fees will be waived for new student households.