Challenger - School District Calendar - Osceola - 2022-2023

This Osceola instructional academic school calendar is extremely important as it keeps you informed of Challenger grading periods, early dismissal dates, staff development days and holidays for the Challenger calendar school year 2022-2023. 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 Osceola 2022-2023 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.