Northside Independent School District (Northside ISD): 2026-27 School Calendar

The first day of school for the Northside ISD 2026-27 school year is Monday, August 10, 2026.

The last day of school for the 2026-27 school year is Wednesday, May 26, 2027.

Spring Break for Northside ISD is from Monday, March 8, 2027 to Friday, March 12, 2027. Students return on Tuesday, March 16, 2027 (March 15 is a student holiday / teacher planning day).

Winter Break runs from Monday, December 21, 2026 through Friday, January 1, 2027. January 4 is a student holiday / teacher planning day, so students return on Tuesday, January 5, 2027.

Northside ISD uses 4 grading periods (nine-week quarters): 1st (Aug 10-Oct 8), 2nd (Oct 13-Dec 18), 3rd (Jan 5-Mar 5), and 4th (Mar 15-May 26).

Key student holidays include: Labor Day (Sep 7), Fall Break (Oct 9-13), Staff Development (Nov 3), Thanksgiving (Nov 23-27), Winter Break (Dec 21-Jan 1), Teacher Planning Day (Jan 4), MLK Day (Jan 18), February Holiday (Feb 12-15), Staff Development (Feb 16), Spring Break (Mar 8-12), Teacher Planning Day (Mar 15), Good Friday & Easter Monday (Mar 26, 29), and Fiesta Friday (Apr 23).

Yes. February 16, 2027 is designated as a Student Holiday / Staff Development day that doubles as a Bad Weather Makeup Day. If NISD uses this day for weather makeup, students would attend school on February 16 instead of having it off.

Yes. This is the district-wide calendar that applies to ALL Northside ISD campuses across northwest San Antonio - including elementary, middle, and high schools, as well as magnet programs like Health Careers, Communications Arts, and the Science and Engineering Academy.

Northside ISD's Thanksgiving break spans the full week of November 23-27, 2026. Students return on Monday, November 30, 2026.

The 2026-27 calendar introduces a Fall Break in October (Oct 9-13), which was not on the 2025-26 calendar. The October student holidays now include a Teacher Exchange day alongside the Teacher Planning day, giving students a longer break after the first grading period.

Northside ISD covers 355 square miles of northwest and western San Antonio, including the cities of Helotes, Leon Valley, Shavano Park, and Grey Forest, plus unincorporated communities like Leon Springs, Cross Mountain, and Scenic Oaks in Bexar, Bandera, and Medina counties.

No. San Antonio has over 15 independent school districts within its city limits, each with its own calendar. Northside ISD's calendar differs from North East ISD (NEISD), San Antonio ISD (SAISD), Southwest ISD, Judson ISD, and others. Always verify you are using the correct district's calendar for your child's school.

The first semester runs from August 10 to December 18, 2026 (covering grading periods 1 and 2). The second semester runs from January 5 to May 26, 2027 (covering grading periods 3 and 4).

In February, NISD has student holidays on February 12 and 15 (Fri-Mon), and February 16 is a Student Holiday / Staff Development / Bad Weather Makeup Day. In March, Spring Break runs March 8-12, March 15 is a student holiday, and March 26 (Good Friday) and March 29 (Easter Monday) are holidays. In April, Fiesta Friday (Apr 23) is a holiday.

NISD announces weather closures through their website (nisd.net), the Home Access Center (HAC) app, Schoology, automated phone calls, and local San Antonio TV stations like KENS 5, KSAT 12, WOAI 4, and FOX 29. Our auto-syncing calendar updates in real time when closures are announced.

Yes. Northside ISD operates several magnet programs including Health Careers High School, Communications Arts High School, NSITE (School of Innovation, Technology, and Entrepreneurship), John Jay Science and Engineering Academy, Construction Careers Academy, CAST Teach, and Agriculture Science & Technology Academy. All magnet campuses follow this same district-wide calendar.