High School: Columbine High School Calendar

Columbina high school is offering a calendar of the schools’ academic schedules in 2018-19, starting with grades 8 through 12.The school’s first schedule for grades 7 through 12 will be available online starting Friday, Aug. 1, and will include all the schools academic calendar for the 2019-20 academic year.The calendars will be made available for […]

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