- Enrollment
- 3,403
- Students per teacher
- 18.3:1
- Resource Index
- 47/100
High school (grades 9-12) · San Antonio, TX
International School of America
Federal NCES profile for International School of America, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 62/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 483294007513
👥 S:T ratio 55
🌟 Gifted program 70
🎓 Counselors 51
📋 Attendance 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
International School of America earns 62/100 on the Resource Investment Index, with class sizes smaller than 83% of Texas schools.
- #11 of 79
- high schools in San Antonio · Resource Index
- 62
- Resource Index · Higher
- 11.2:1
- small classes for Texas
- 20.4%
- free-lunch eligible
International School of America has class sizes smaller than 83% of Texas schools. Computed live against every Texas school reporting to NCES.
By Resource Investment Index, International School of America ranks #11 of 79 high schools in San Antonio, TX.
School address
District: North East Isd · Texas
NCES ID 483294007513 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+11 students YoY
International School of America held near 496 students from 2022-23 to 2023-24 (+11 headcount).
Teacher FTE lost 44.9 → 44.6 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+11 students YoY 483294007513 · San Antonio, TX High · SMALL · TRAD
493 enr · 11.2:1 · 20.4% lunch · RII 62
Nearest enrollment peer: Reagan H S (3,403 students)
International School of America held near 496 students from 2022-23 to 2023-24 (+11 headcount). Teacher FTE lost 44.9 → 44.6 across the same CCD years. Read with this school → · District book → · Texas schools → · Find another →
International School of America in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- Reagan H S
Reagan H S
3,403 students
- Johnson H S
Johnson H S
3,196 students
- Madison H S
Madison H S
2,616 students
- Roosevelt H S
Roosevelt H S
2,431 students
- Churchill H S
Churchill H S
2,308 students
- This school 493
International School of America
493 students
What this shows International School of America reports 493 students on the CCD universe file.
How International School of America compares
International School of America held steady on CCD headcount: ratios and free-lunch share vs Texas and U.S. means.
| Metric | This school | vs Texas | Texas avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 11.2:1 | ▼ 24% | 14.7:1 | 15.7:1 |
| Free-lunch eligible | 20.4% | ▼ 67% | 61.9% | 51.7% |
| Enrollment | 493 | top 51% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.2:1
Leaner classes than 82% of US schools, among the more generously staffed nationally.
493
Bigger than 61% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Economic need
20.4%
free-lunch eligible
- 67% below the Texas average of 61.9%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.2:1
students per teacher
- 24% below state mean
Top 17% in Texas - lower ratio than 83% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
11.2%
chronically absent (missed 10%+ of school days)
In the 10-15% range, above the pre-pandemic national baseline but within the broader post-pandemic picture.
Funding equity
$11,211
per pupil, district-wide
- below Texas avg of $14,348
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 247 students, the combined health-and-guidance staffing load for this school.
Discipline context
8
in-school suspensions + 1 out-of-school
Suspension rate: 1.6 per 100 students. Combined in-school and out-of-school rate: 1.8 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
Hispanic or Latino 55.6%
White 35.1%
Two or More 4.1%
African American 2.6%
Asian 2.2%
American Indian / Alaska Native 0.2%
Native Hawaiian / Pacific Islander 0.2%
Largest group: Hispanic or Latino at 55.6% of enrollment.
Student-body diversity index 56.5/100
Simpson diversity index - at 56.5, International School of America is more mixed than the Texas school average of 44.7.
Programs
AP courses offered 7
Gifted & talented Yes
District finance for North East Isd reports $11,211 per pupil (NCES F-33) - open the district page for the full revenue mix.
How International School of America Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Reagan H S | Larger | Similar economic need | Higher S:T ratio |
| Johnson H S | Larger | Similar economic need | Higher S:T ratio |
| Madison H S | Larger | Higher economic need | Higher S:T ratio |
| Roosevelt H S | Larger | Higher economic need | Higher S:T ratio |
| Churchill H S | Larger | Higher economic need | Higher S:T ratio |
Comparisons are relative to International School of America's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 3,196
- Students per teacher
- 18:1
- Resource Index
- 43/100
- Enrollment
- 2,616
- Students per teacher
- 15.7:1
- Resource Index
- 38/100
- Enrollment
- 2,431
- Students per teacher
- 13.9:1
- Resource Index
- 53/100
- Enrollment
- 2,308
- Students per teacher
- 14.5:1
- Resource Index
- 42/100
Nationwide high schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~493 students)
Similar student-teacher ratio (~11.2:1)
Frequently asked questions about International School of America
How many students attend International School of America?
International School of America has 493 students enrolled. It is a high school in San Antonio, TX. CCD year-over-year: 485 (2022-23) → 496 (2023-24), nearly flat (+11).
What is the student-teacher ratio at International School of America?
The student-teacher ratio at International School of America is 11.2:1, which is 24% lower than the Texas average of 14.7:1 and 29% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at International School of America?
20.4% of students at International School of America are eligible for free lunch, compared to the Texas average of 61.9%.
What is the racial and ethnic makeup of International School of America?
The largest demographic group at International School of America is Hispanic or Latino at 55.6% of enrollment, in San Antonio, TX. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.5/100.
What is the Resource Investment Index for International School of America?
International School of America has a Resource Investment Index of 62/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does International School of America rank among high schools in San Antonio?
By Resource Investment Index, International School of America ranks #11 of 79 high schools in San Antonio, TX. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in San Antonio on the city page.
What other schools are in North East Isd?
Besides International School of America, North East Isd also operates Reagan H S (3,403 students), Johnson H S (3,196 students), and Madison H S (2,616 students). See the North East Isd district page for the complete list.