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SCHOOL COMMUNITY·SAN DIEGO ISD·NCES 483882004430

San Diego High School

235 S HWY 359, SAN DIEGO, TX 78384 · (361) 279-3382 · Duval County
GRADES 09–12HIGH42-RURALTITLE IREGULAR SCHOOL446 STUDENTS
B-
allk12 Grade
Scored higher than 48% of Texas public high schools
  • C+Test 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
446
High
DISTRICT 484 · STATE 796
Student : Teacher
14.6:1
31 FTE teachers
DISTRICT 14.2:1 · STATE 15.1:1
Free / Reduced Lunch
84%
374 students
DISTRICT 87% · 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 911125%
Grade 1011626%
Grade 1111726%
Grade 1210223%
Student demographics
4%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 3% · STATE 63% · US 70%
White
82%
DISTRICT 1% · STATE 24% · US 43%
Hispanic
43798%
DISTRICT 98% · STATE 54% · US 30%
Two+
10%
DISTRICT 0% · STATE 3% · US 5%
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
23152%
Female
21548%

School pathway

Feeds from
Bernarda Jaime Junior High School06–08
Based on grade levels within SAN DIEGO ISD. Attendance zones can vary; confirm enrollment with the district.

Discussions

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Test scores

STAAR 2025-26 . % Meets Grade Level or Above
Reading
54.0%
TX avg 54.5% . +8.0pp since 2023
Mathematics
45.0%
TX avg 45.3% . +11.0pp since 2023

What this means: On the STAAR, Texas's statewide test, about 54 of every 100 students at this school read at grade level and about 45 of 100 do math at grade level. Across all Texas schools, those numbers are about 55 and 45. Reading scores are up about 8 points since 2023, while math scores are up about 11 points.

Performance levels, 2025-26

SubjectMasters Grade LevelMeets Grade LevelApproaches Grade LevelDid Not Meet Grade Level
Reading8.0%46.0%22.0%24.0%
Mathematics24.0%21.0%37.0%18.0%
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
2025-2654.0%45.0%
2024-2547.0%47.0%
2023-2446.0%34.0%
% 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
48.3%
composite math + reading, all grades
Predicted
37.9%
based on TX schools with similar FRL share
Beats by
+10.4pp
above demographic expectation

What this means: About 48% of students here test proficient in math and reading, compared with the roughly 38% 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 San Diego High School

San Diego High School's state test result (48.3% proficient) is higher than 4 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
San Diego High School this school44683.9%48.3%
Uplift Williams Prep High School
DALLAS
51785.3%43.4%
Raymondville High School
RAYMONDVILLE
52286.2%59.5%
El Paso Leadership Academy - H S East
EL PASO
42881.1%24.7%
Rio Hondo High School
RIO HONDO
47586.9%42.6%
Cotulla High School
COTULLA
35684.6%43.3%
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 San Diego High School ranks

Among high schools
MeasureThis schoolIn Texas
State test proficiency
ranked highest first
48.3%#883 of 1,385
Math proficiency
ranked highest first
45.0%#686 of 1,425
▼ 152
Reading proficiency
ranked highest first
54.0%#842 of 1,425
▲ 123
Enrollment
ranked largest first
446#968 of 2,107
Students per teacher
ranked fewest first
14.6:1#654 of 1,344
Diversity index
ranked most diverse first
3.9%#1,279 of 1,346
Free and reduced lunch
ranked highest share first
83.9%#329 of 1,522
Enrollment change since 2017-18
ranked fastest growth first
+17.7%#244 of 672
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
446
+25 (+6%) vs 2020
-5% since 1990-91, when it was 469
Student : Teacher
14.6:1
was 13.6:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2544630.614.6:184% (374)
2023-2445530.115.1:185% (386)
2022-2342733.312.8:187% (373)
2020-214213113.6:184% (354)
2017-1837931.712.0:169% (260)
2015-163812913.1:164% (242)
2010-114283811.3:150% (212)
2000-014353612.1:179% (343)
1990-914693214.7:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for San Diego High School.

Since 2017-18: students up 18% (379 to 446); teachers down 3% (31.7 to 30.6).

About San Diego High School

San Diego High School is a high school with a street address in SAN DIEGO, Texas. It had 446 students in 2024-25, spanning grades 9 through 12. By comparison, high schools in Texas enroll about 796 students on average.

SAN DIEGO ISD is the local district for San Diego High School. It runs 3 schools with 1,453 students.

A large majority of enrollment at San Diego High School is Hispanic, at 98%. The Hispanic share of the county population is lower, at 82%. The diversity index for San Diego High School is 4%. For US public schools as a whole it is 70%.

Its ratio of 14.6:1 is based on 30.6 full-time-equivalent teachers. It is about the same as the 15.1:1 average for high schools in Texas. In all, 84% of students qualify for free or reduced-price lunch.

San Diego High School earns a B- on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 48% of Texas public high schools.

The BeatsExpectations prediction for San Diego High School is 37.9%, and its average proficiency rate across its state test results is 48.3%.

In the surrounding county, Duval County, the median household earns about $49,038 a year, the share of adults with a bachelor's degree or higher is 7%, and about 18% of people live in poverty. Counting San Diego High School, Duval County has 10 public schools.

Bernarda Jaime Junior High School is about 0.6 miles away, making it the nearest public school. Other public schools within five miles number 2. On average proficiency, San Diego High School is 2nd of 9 nearby schools with test data.

San Diego High School has an NCES locale of Rural: Distant.

By 2024-25, enrollment had risen to 446, from 421 in 2020-21. The number of students per teacher increased from 13.6 to 14.6 over 4 years.

The San Diego High School discussion page is a place for homework, tutoring, and testing dates. Teachers and staff are welcome to share updates too.

Duval County at a glance

View full county profile
Population
9,742
Census ACS
Median income
$49,038
Household, ACS
Bachelor's+
7%
Adults 25+
Poverty rate
18%
Below federal line
Schools in county
10
2,346 students

Quick facts

School name
San Diego High School
District
SAN DIEGO ISD
Address
235 S HWY 359, SAN DIEGO, TX 78384
Phone
(361) 279-3382
County
Duval County
Level
High
Grade range
09–12
Total enrollment
446
Teachers (FTE)
31
Student–teacher ratio
14.6:1
Free and reduced lunch
374 (84%)
Locale
42-Rural: Distant
NCES ID
483882004430
Charter school
No
Virtual school
No

Related schools

Other schools in SAN DIEGO ISD
Other schools in SAN DIEGO
Other San Diego High schools

One other US public school is named San Diego High. San Diego High School is the 2nd largest of the 2.

Nearby schools

Frequently asked questions

About San Diego High School
How large is San Diego High School?
San Diego High School enrolls approximately 446 students in grades 09-12.
What age range does San Diego High School serve?
San Diego High School serves students from grade 09 through grade 12.
What is the student-teacher ratio at San Diego High School?
The student-to-teacher ratio at San Diego High School is approximately 14.6:1 (31 FTE teachers).
How diverse is San Diego High School?
San Diego High School reports a student body of 2% White, 98% Hispanic, 0% Two or more.
What district is San Diego High School in?
San Diego High School is part of SAN DIEGO ISD.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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