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Upcoming Events
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Today
8:00 AM - 4:30 PM ISA Senior Portraits
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12:00 PM - 2:30 PM United States Air Force
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Tomorrow
12:00 PM - 1:00 PM William and Mary University
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Saturday
7:30 PM - 10:00 PM LEE/ISA/NESA/STEM Homecoming Dance
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September 24, 2025
11:50 AM - 1:30 PM UT San Antonio (College of Engineering/Architecture & Construction)
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September 25, 2025
11:50 AM - 12:50 PM The University of Chicago
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September 26, 2025
12:00 PM - 2:30 PM Reed College
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September 27, 2025
9:00 AM - 1:00 PM ISA 9th Grade Garage Sale
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September 29, 2025
5:30 PM - 7:00 PM NEISD HS Magnet Night
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September 30, 2025
10:00 AM - 11:00 AM Columbia University
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Calendar Information
Traditional School Calendar:
International School of the Americas (ISA) High School operates on a traditional school calendar. This type of school calendar requires students to attend school instructional 180 days. This calendar is a 9-month calendar with schools closed during the summer months.
First Day of Classes: 8/11/2025Last Day of Classes: 5/29/2026
