Sinton High School - School District Calendar - Sinton Isd - 2022-2023

This Sinton Isd instructional academic school calendar is extremely important as it keeps you informed of Sinton High School grading periods, early dismissal dates, staff development days and holidays for the Sinton High School 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 Sinton Isd 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.