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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

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 metrics
Student Progress1.2Significantly Below Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data2
Annual Change-21 pts/yr
Data Period2019–2021
TrendDeclining
Academics6.4Above Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency30%
Reading/ELA Proficiency25%
Overall Proficiency28%
Expected (poverty-adj.)23%
vs. Expected+4.9 pts
Adjusted Percentile48th
College Readiness6.6Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment10.0Exceptional20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio9.6:1
Per-Pupil Spending$21,681

San Isidro H S — Students at San Isidro H S score 28% proficient, which is above what's typical for similar communities (expected: 23%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

95.5%

Students qualifying for federal meal assistance

Test Scores TX EDFACTS (2020-21)

Math Proficiency 49.8%
School
State
N/A
ELA Proficiency 47.3%
School
State
N/A

Based on 4 test records from TX state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
69.5%
ELA
69.5%
2021*
Math
30%
ELA
25%

* 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.

Overall Score
5.9/10
40th percentile in TX
Academic
6.4/10
6.4/10
Growth
1.2/10
Below average
Environment
10.0/10
Above average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
96%
Teaching Staff
10:1 student-teacher ratio
7 teachers

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.

11 schools nearby View map →

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
Data Year
2023–2024

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 methodology

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