Cambridge Christian School, 2211 Old Main Street South, Cambridge, MN 55008 – (763) 689-3806. As a private christian school we offer classes from preschool to 12th grade. Small class sizes, high academic standards and high test scores are important to CCS. If you are searching for an online academy or a christian school around the Rush City, MN area come check us out! You can give us a call at (763) 689-3806 or find us online at www.cambridgechristianschool.org