Average
#5140 of 8,547 schools in TX
San Isidro H S
High School · SAN ISIDRO ISD
P O BOX 10, San Isidro, TX 78588
Enrollment
67
Student-Teacher
9.6:1
Score
5.9
Grades
9th – 12th
Enrollment
67
Student-Teacher
9.6:1
Score
5.9
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In San Isidro
#2 of 2
public schools
Texas high schools
#1,239 of 1,699
In district
#2 of 2
SAN ISIDRO ISD
School environment
10.0 / 10
Exceptional
About San Isidro H S
San Isidro High School serves 67 students in grades 9-12 in the small rural community of San Isidro, Texas. With just 7 full-time equivalent teachers, this intimate school maintains an exceptional student-teacher ratio of 9.6:1, allowing for highly personalized attention and close mentoring relationships between educators and students. The school has earned recognition for its performance, ranking #1317 out of 8,598 schools statewide and placing in the 85th percentile among Texas high schools with a MySchoolScout rating of 7.3 out of 10.
This strong showing reflects the dedicated efforts of both staff and students in this close-knit educational environment. As a regular public high school, San Isidro High School provides comprehensive secondary education to families throughout Starr County. The school's small size creates opportunities for students to participate across multiple activities and develop leadership skills in ways that might not be possible in larger institutions.
The school serves a community where 18% of residents hold bachelor's degrees or higher, and the median home value reflects the area's rural character at $22,700. San Isidro High School sits at the heart of this tight-knit rural Texas community of just 124 residents, where education remains a cornerstone of local life and tradition.
What Parents Should Know
With an enrollment of 67 students, San Isidro H S is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
With a student-teacher ratio of 9.6:1, San Isidro H S offers a notably low ratio compared to the national average. This typically means smaller class sizes and more opportunities for one-on-one interaction between students and teachers.
Located in a rural area, San Isidro H S may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
View breakdown
View breakdown
San Isidro H S — Students at San Isidro H S score 28% proficient, which is above what's typical for similar communities (expected: 23%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
95.5%
Students qualifying for federal meal assistance
Test Scores TX EDFACTS (2020-21)
Based on 4 test records from TX state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 1.2/10.
How San Isidro H S Compares
See how San Isidro H S performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 69.5% (2019) to 30% (2021). Reading/ELA proficiency has declined from 69.5% (2019) to 25% (2021).
Location
P O BOX 10, San Isidro, TX 78588
Nearby Alternatives
Families considering San Isidro H S may also want to explore other high schools in the area. RIO GRANDE CITY H S (rated 7.4/10, 28.7 miles away, in nearby Rio Grande City), which scores notably higher. Another option is JUAREZ-LINCOLN H S (rated 6.2/10, 27.2 miles away, in nearby Mission), with a very similar rating. Additionally, IDEA TRES LAGOS COLLEGE PREPARATORY (rated 5.9/10, 28.6 miles away, in nearby Mcallen), with a very similar rating. For more schools in San Isidro, see our San Isidro schools guide .
Nearby Schools
20 within 29.8 mi| School | Distance | Rating |
|---|---|---|
| SAN ISIDRO EL San Isidro | 0.0 mi | 8.2 |
| BREWSTER EL Edinburg | 22.6 mi | 5.0 |
| WILLIAM J CLINTON EL Penitas | 26.1 mi | 4.8 |
| DR JAVIER SAENZ MIDDLE Penitas | 26.3 mi | 5.3 |
| EVANGELINA GARZA EL Mission | 26.9 mi | 4.0 |
| JUAN SEGUIN EL Mission | 27.0 mi | 4.6 |
| JUAREZ-LINCOLN H S Mission | 27.2 mi | 6.2 |
| EMILIANO ZAPATA EL Mission | 27.4 mi | 4.6 |
| IDEA TRES LAGOS ACADEMY Mcallen | 28.6 mi | 4.0 |
| IDEA TRES LAGOS COLLEGE PREPARATORY Mcallen | 28.6 mi | 5.9 |
| DR MARIA PALMIRA MENDIOLA EL Mission | 29.2 mi | 3.8 |
| CORINA PENA EL Penitas | 29.3 mi | 4.2 |
| ROSENDO BENAVIDES EL Sullivan City | 29.2 mi | 5.2 |
| ANNE L MAGEE EL Edinburg | 29.0 mi | 4.2 |
| SALINAS EL Mission | 29.4 mi | 4.3 |
| JUAN DE DIOS SALINAS MIDDLE Mission | 30.0 mi | 3.9 |
| RIO GRANDE CITY H S Rio Grande City | 28.7 mi | 7.4 |
| ELODIA R CHAPA EL Mission | 30.2 mi | 3.7 |
| GUERRA EL Edinburg | 28.8 mi | 4.6 |
| ELIAS LONGORIA SR MIDDLE Edinburg | 29.8 mi | 5.4 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 78588 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$86,458
Median Rent
$530/mo
Population
246
College Educated
27.9%
Homeownership
74.6%
Poverty Rate
0%
Median Age
41.5
Community Profile
The community surrounding San Isidro H S has a median household income of $86,458. It is an area where 28% of adults hold a bachelor's degree or higher. The local poverty rate of 0.0% is relatively low. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| COOKE/FANNIN/GRAYSON CO JUVENILE POST AJUD FAC Denison, TX | 5.9 |
| NORTHEAST CAMPUS San Antonio, TX | 5.9 |
| OAKWOOD H S Oakwood, TX | 5.9 |
| QALAM COLLEGIATE ACADEMY Richardson, TX | 6.0 |
| TEXAS EARLY COLLEGE H S Marshall, TX | 6.0 |
| DISCIPLINARY ALTERNATIVE EDUCATIONAL PROGAM (DAEP) Bryan, TX | 5.8 |
Frequently Asked Questions
Common questions about San Isidro H S
What grades does San Isidro H S serve?
San Isidro H S serves students in grades 9th through 12th.
How many students attend San Isidro H S?
San Isidro H S has an enrollment of approximately 67 students.
What is the student-teacher ratio at San Isidro H S?
The student-teacher ratio at San Isidro H S is 9.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does San Isidro H S rank in TX?
San Isidro H S is ranked #5140 out of 8,547 schools in TX.
What is San Isidro H S's MySchoolScout rating?
San Isidro H S has a composite rating of 5.9 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at San Isidro H S?
Based on the most recent state assessment data, San Isidro H S has 49.8% math proficiency and 47.3% reading/ELA proficiency.
Is San Isidro H S a charter school?
No, San Isidro H S is not a charter school. It is a traditional public school operated by the local school district.
Is San Isidro H S a Title I school?
No, San Isidro H S is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for San Isidro H S?
95.5% of students at San Isidro H S qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Explore More Schools
Neighborhood Context
- County Safety
- Average (565/100K)
FBI UCR 2024. County-level only. Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 67
- Student-Teacher Ratio
- 9.6:1
- Teachers (FTE)
- 7
- Free/Reduced Lunch
- 95.5%
- Type
- regular
- Setting
- Distant Rural
- County
- Starr County
- Phone
- (956) 481-3110
- Data Year
- 2023–2024
Resources & Links
District
SAN ISIDRO ISD- District Enrollment
- 163
- Schools in District
- 2
- Per-Pupil Spending
- $26,431
- District Rank
- #2 of 2
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
- Best Public Schools in Texas 2026: Top-Ranked Elementary, Middle & High Schoolsbest schools
- Best School Districts to Move To in 2026: A Data-Driven Guidebest schools
- Best Schools in Austin, TX — 2026 Rankingsbest schools
- Best Schools in Dallas, TX — 2026 Rankingsbest schools
- Best Schools in Fort Worth, TX — 2026 Rankingsbest schools
Get school insights in your inbox
New rankings, best-schools lists, and parent guides — delivered free. No spam, unsubscribe anytime.
We respect your privacy. Unsubscribe at any time.