John Marshall MS - School District Calendar - Oklahoma City - 2021-2022

This Oklahoma City instructional academic school calendar is extremely important as it keeps you informed of John Marshall MS grading periods, early dismissal dates, staff development days and holidays for the John Marshall MS calendar school year 2021-2022. 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 Oklahoma City 2021-2022 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.