International School of America

1400 Jackson Keller Rd, San Antonio, TX 78213

ASchola Grade
Grades
9–12
High
Students
493
Enrolled 2024–25
Students per teacher
21.4 : 1
Full-time teachers
District
North East ISD
Bexar County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 1,433 Texas high schools · How we grade
Test scores72% proficient in math & reading
92ndpercentile
Equity64% of low-income students proficient
94thpercentile
Attendance8% chronically absent
92ndpercentile
Graduation rate98% graduate in 4 years
80thpercentile
College readinessAt least 46% take AP, IB or dual-enrollment courses
85thpercentile
Class size21.4 students per teacher
2ndpercentile

Percentiles compare this school with other Texas high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About International School of America

International School of America is a magnet high school in San Antonio, Texas, serving grades 9–12. It is part of North East ISD. The school is located in a large city in Bexar County.

In the 2024–25 school year, 493 students were enrolled, with about 21.4 students for every full-time teacher. That ratio is larger than the typical Texas high school (13.7 students per teacher). Its Schola Grade is A (excellent), compared with 1,433 Texas high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

1400 Jackson Keller Rd
San Antonio, TX 78213
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School details

Type
Magnet School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
493 students
Students per teacher
21.4 to 1
AP courses offered
11
Charter school
No
Magnet school
Yes
Locale
City — Large
School district
North East ISD
County
Bexar County
NCES school ID
483294007513

Schools near International School of America

All 614 schools in San Antonio →
Alter H S
Alternative · Grades 9–12 · 106 students
1.4 mi

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.