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Welcome to The International School at Thornton Middle

We Welcome Your Feedback

If you have any questions or would like to simply let us know how we're doing please feel free to contact us. We would love to hear from you.


Address9451 Hoffman Way
Thornton, CO
Office Phone720-972-5160
Fax Number720-972-5199
Office Hours7:30 a.m. - 4:00 p.m.
School Hours8:30 a.m. - 3:45 p.m.
Early Release
8:30 a.m. - 2:15 p.m.

Upcoming Events

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10/11/2019 - 12:00am
Oct 11