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Curriculum & Testing

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Standards and Testing

St. Thomas uses Diocesan Curriculum Standards.

Quick Links for Parents

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Marian Central High School

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Get in Touch

265 King Street, Crystal Lake, IL 60014

(815) 459-0496

sanderson@stthomascl.org

School Office Hours:

Monday – Thursday 7:15am – 3pm

Friday 7:15am – 2:30pm