John B. Lange Middle - School District Calendar - Columbia 93 - 2024-2025

This Columbia 93 instructional academic school calendar is extremely important as it keeps you informed of John B. Lange Middle grading periods, early dismissal dates, staff development days and holidays for the John B. Lange Middle calendar school year 2024-2025. As a parent and or student, you will find yourself needing this information on a regular basis, so please "like" and bookmark this page in a visible location within your favorite browser. The legend for this Columbia 93 2024-2025 calendar is at the bottom of the page. If you are browsing on your PC there is another copy of the legend in the right hand column.