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SCHOOL COMMUNITY·NORTH EAST ISD·NCES 483294007513

International School of America

1400 JACKSON KELLER RD, SAN ANTONIO, TX 78213 · (210) 356-0900 · Bexar County
GRADES 09–12HIGH11-CITYREGULAR SCHOOL493 STUDENTS
A
allk12 Grade
Scored higher than 87% of Texas public high schools
  • ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • B+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • ·Three-year trend Not available for this school, so the grade uses the other parts.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Texas public high schools

Enrollment
493
High
DISTRICT 1,584 · STATE 796
Student : Teacher
21.4:1
23 FTE teachers
DISTRICT 13.8:1 · STATE 15.1:1
Free / Reduced Lunch
22%
110 students
DISTRICT 57% · STATE 65%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 912425%
Grade 1012525%
Grade 1112525%
Grade 1211924%
Student demographics
57%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 54% · STATE 63% · US 70%
White
17335%
DISTRICT 21% · STATE 24% · US 43%
Hispanic
27456%
DISTRICT 64% · STATE 54% · US 30%
Black
133%
DISTRICT 6% · STATE 13% · US 15%
Asian
112%
DISTRICT 4% · STATE 6% · US 6%
Two+
204%
DISTRICT 4% · STATE 3% · US 5%
Native American
10%
DISTRICT 0% · STATE 0% · US 1%
Pacific Islander
10%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
18538%
Female
30862%

Discussions

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
84.0%
TX avg 54.5% . +40.0pp since 2020
Mathematics
59.0%
TX avg 45.3% . +59.0pp since 2020

What this means: On the STAAR, Texas's statewide test, about 84 of every 100 students at this school read at grade level and about 59 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 40 points since 2020, while math scores are up about 59 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading19.0%65.0%11.0%5.0%
Mathematics13.0%46.0%33.0%8.0%
Share of tested students at each STAAR level. Each student counts in one level, so a row adds to about 100%.

STAAR results by year

School yearReadingMathematics
2025-2684.0%59.0%
2024-2582.0%50.0%
2023-2488.0%56.0%
2022-2385.0%N/A
2021-2277.0%22.0%
2020-2144.0%0.0%
% Meets Grade Level or Above, all students and all tested grades.
Source: STAAR. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
75.6%
composite math + reading, all grades
Predicted
64.2%
based on TX schools with similar FRL share
Beats by
+11.4pp
above demographic expectation

What this means: About 76% of students here test proficient in math and reading, compared with the roughly 64% typical for Texas schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Texas's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like International School of America

International School of America's state test result (75.6% proficient) is higher than 3 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
International School of America this school49322.3%75.6%
Great Hearts Monte Vista North
SAN ANTONIO
47626.3%58.4%
London High School
CORPUS CHRISTI
54114.0%86.2%
Coahoma High School
COAHOMA
31724.6%49.2%
Greenwood High School
MIDLAND
87931.1%54.6%
Memorial Early College High School
NEW BRAUNFELS
29127.1%91.8%
Matched among Texas high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where International School of America ranks

Among high schools
MeasureThis schoolIn TexasIn Bexar County
State test proficiency
ranked highest first
75.6%#146 of 1,385#8 of 81
Math proficiency
ranked highest first
59.0%#320 of 1,425
▲ 120
#13 of 82
▲ 5
Reading proficiency
ranked highest first
84.0%#125 of 1,425
▲ 12
#9 of 82
▲ 1
Enrollment
ranked largest first
493#902 of 2,107#62 of 128
Students per teacher
ranked fewest first
21.4:1#1,300 of 1,344#77 of 78
Diversity index
ranked most diverse first
56.5%#453 of 1,346#17 of 79
Free and reduced lunch
ranked highest share first
22.3%#1,437 of 1,522#83 of 90
Enrollment change since 2017-18
ranked fastest growth first
+1.0%#640 of 672#29 of 32
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
493
+6 (+1%) vs 2020
+11% since 2000-01, when it was 445
Student : Teacher
21.4:1
was 21.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-254932321.4:122% (110)
2023-2449644.611.1:122% (107)
2022-2348544.910.8:121% (103)
2020-214872321.2:121% (101)
2017-1848823.121.1:119% (95)
2015-164832420.1:123% (109)
2010-114612518.4:119% (89)
2000-014452418.5:120% (90)
Source: NCES Common Core of Data. Rows are the federal collections on file for International School of America.

Since 2017-18: students up 1% (488 to 493); teachers unchanged (23.1 to 23).

About International School of America

SAN ANTONIO, Texas, is home to International School of America, a low-enrollment high school. It had 493 students in 2024-25, spanning grades 9 through 12. High schools in Texas average about 796 students, which makes this school 38% below average.

NORTH EAST ISD has 75 schools; together they serve 56,420 students.

The largest group at International School of America is Hispanic students, at 56%. Other students are 35% White, 4% multiracial, 3% Black, and 2% Asian. Measured by the diversity index, the student body scores 57%.

There are 23 full-time-equivalent teachers at International School of America, giving a ratio of 21.4:1. High schools in Texas average 15.1:1, 6.3 fewer students per teacher than here. A total of 110 students, or 22%, are eligible for free or reduced-price lunch. That rate is below the 63% average among public schools in Bexar County.

On the allk12 Grade, International School of America lands at A, ahead of 87% of Texas public high schools.

Predicted from its free or reduced-price lunch share, International School of America would score about 64.2%. It scores 75.6%, 11.4 points above that figure.

In Bexar County, median household income comes to about $72,341, roughly 32% of adults have a four-year degree or more, and about 11% of residents live below the federal poverty line. Bexar County counts 638 public schools with about 368,487 students.

International School of America's closest public school neighbor is Legacy of Educational Excellence High School, less than a tenth of a mile away. A five-mile radius around the school includes at least 8 other public schools. International School of America's average proficiency of 75.6% compares with 45.4% for its nearest scored neighbors.

International School of America is inside a principal city with a population of 250,000 or more, a location NCES labels City: Large.

Enrollment was essentially flat over 4 years: 487 in 2020-21, 493 in 2024-25.

The allk12 page for International School of America lets the school community talk about pickup and drop-off, after-school programs, and teacher feedback. You can also rate the school on this page.

Bexar County at a glance

View full county profile
Population
2,067,341
Census ACS
Median income
$72,341
Household, ACS
Bachelor's+
32%
Adults 25+
Poverty rate
11%
Below federal line
Schools in county
638
368,487 students

Quick facts

School name
International School of America
District
NORTH EAST ISD
Address
1400 JACKSON KELLER RD, SAN ANTONIO, TX 78213
Phone
(210) 356-0900
County
Bexar County
Level
High
Grade range
09–12
Total enrollment
493
Teachers (FTE)
23
Student–teacher ratio
21.4:1
Free and reduced lunch
110 (22%)
Locale
11-City: Large
NCES ID
483294007513
Charter school
No
Virtual school
No

Related schools

Other schools in NORTH EAST ISD
Other schools in SAN ANTONIO
Nearby schools

Frequently asked questions

About International School of America
What is the total enrollment at International School of America?
International School of America enrolls approximately 493 students in grades 09-12.
Is International School of America an elementary, middle, or high school?
International School of America is a high school covering grades 09-12.
How many students per teacher at International School of America?
Approximately 21.4:1 students per teacher at International School of America.
How diverse is International School of America?
International School of America reports a student body of 35% White, 56% Hispanic, 3% Black, 2% Asian, 4% Two or more.
What district is International School of America in?
International School of America is part of NORTH EAST ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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