Heim Middle School - School District Calendar - Williamsville Central School District - 2024-2025
This Williamsville Central School District instructional academic school calendar is extremely important as it keeps you informed of Heim Middle School grading periods, early dismissal dates, staff development days and holidays for the Heim Middle School 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 Williamsville Central School District 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.