San Diego High School
Public high school in San Diego, Texas · San Diego ISD · Grades 9–12
San Diego High School serves 446 students in grades 9–12 in San Diego (Duval County). It is one of 3 schools in San Diego ISD. By enrollment it is the 973rd largest of 1,920 public high schools in Texas (median 457 students). With 14.6 students per full-time teacher, it has about the same as the typical Texas high school (14).
Source: NCES CCD 2024-25. Rank and medians compare all 1,920 Texas high schools with enrollment listed on this site.
Source: NCES CCD 2024-25. Students per teacher = students ÷ 30.6 full-time-equivalent teachers.
School facts
| School type | Regular School |
| Level | High |
| Grades | 9–12 |
| District | San Diego ISD |
| County | Duval County |
| Area type | Rural, distant |
| School meals | Free meals for every student (Community Eligibility Provision) |
| NCES school ID | 483882004430 |
Source: NCES CCD 2024-25 directory and school characteristics; area type from NCES EDGE locale codes.
Compared with the district and Texas
| This school | San Diego ISD | Texas high schools (median) | |
|---|---|---|---|
| Students | 446 | 1,453 | 457 |
| Students per teacher | 14.6 | 14.4 | 14 |
| Free or reduced-price lunch eligible | 83.9% | 87.3% | 63.8% |
Source: NCES CCD 2024-25. District figures add up its schools. 55% of Texas high schools have fewer students per teacher than this school (share of schools with a lower ratio). State test results aren't published here yet.
San Diego High School in context
Size
San Diego High School is the only high school in San Diego ISD. Its 446 students are 30.7% of the district's 1,453. The 8 nearest high schools are a median 22.1 miles away and have a median of 315 students, so San Diego High School is larger than most of them.
Source: NCES CCD 2024-25 enrollment and school type. Share of district students = this school's students ÷ the district's students. Nearest schools by straight-line distance between NCES EDGE locations.
Grades
Its largest grade is grade 11 with 117 students, and its smallest is grade 12 with 102, against an average of 112 per grade. Its first and last grades are close in size: 111 in grade 9 and 102 in grade 12.
Source: NCES CCD 2024-25 membership by grade.
Students
Hispanic students are the largest group, at 98% of enrollment, about the same share as across San Diego ISD (98.3%).
83.9% of students qualify for free or reduced-price lunch, against 87.3% across San Diego ISD and a median of 63.8% for Texas high schools. Under the Community Eligibility Provision, every student can eat breakfast and lunch at no charge, and families fill out no meal application.
Source: NCES CCD 2024-25 membership and school lunch program data. District shares weight each school by its enrollment.
Teachers
San Diego High School has 30.6 full-time-equivalent teachers, or 14.6 students per teacher. At the median Texas high school ratio of 14, a school with 446 students would have about 31.9 teachers, so San Diego High School has 1.3 fewer.
Source: NCES CCD 2024-25. Expected teachers = this school's students ÷ the median students per teacher of Texas high schools (14).
Location
NCES classifies its location as rural, distant, which means it is in rural territory 5 to 25 miles from an urbanized area, or 2.5 to 10 miles from a town. The nearest other high school is Ben Bolt-Palito Blanco High School, 12 miles away in Ben Bolt-Palito Blanco ISD. No other high school is within 10 miles.
Source: NCES EDGE school locations and locale codes, 2024-25. Distances are straight lines.
Students by race and ethnicity
| Hispanic | 98% |
| White | 1.8% |
| Two or more races | 0.2% |
48.2% of students are girls and 51.8% are boys.
Source: NCES CCD 2024-25 membership.
Students by grade
| Grade 9 | 111 |
| Grade 10 | 116 |
| Grade 11 | 117 |
| Grade 12 | 102 |
Source: NCES CCD 2024-25 membership.
Location and contact
235 S Hwy 359, San Diego, TX 78384
Phone: (361)279-3382
Website: sdisd.us
Locations: NCES EDGE. Map data © OpenStreetMap contributors.
Red: San Diego High School. Blue: the nearest high schools.
Nearby high schools
| School | District | Distance | Students | Per teacher | Free/reduced lunch |
|---|---|---|---|---|---|
| Ben Bolt-Palito Blanco High School | Ben Bolt-Palito Blanco ISD | 12.0 mi | 206 | 10.3 | 85% |
| Alice High School | Alice ISD | 12.1 mi | 1,295 | 18.2 | 86.3% |
| Benavides Secondary | Benavides ISD | 15.2 mi | 87 | 5.6 | 89.7% |
| Agua Dulce High School | Agua Dulce ISD | 20.7 mi | 243 | 12.2 | 68.3% |
| Orange Grove High School | Orange Grove ISD | 23.6 mi | 496 | 14.1 | 60.3% |
| Freer High School | Freer ISD | 24.3 mi | 202 | 7.8 | 87.6% |
| Santa Gertrudis Academy High School | Santa Gertrudis ISD | 27.3 mi | 393 | 15.5 | 41.2% |
| Premont Collegiate High School | Premont ISD | 27.8 mi | 387 | 12.9 | 91% |
Source: NCES CCD 2024-25. Distance in a straight line between NCES EDGE locations.
Other schools in San Diego ISD
| School | Level | Grades | Students |
|---|---|---|---|
| Bernarda Jaime Junior High School | Middle | 6–8 | 319 |
| Collins-Parr Elementary School | Elementary | Pre-K–5 | 688 |