SAN DIEGO H S

Located at 235 S HWY 359, in SAN DIEGO, Texas, SAN DIEGO H S is a small high school that instructs 446 students (grades 9 through 12), operated by SAN DIEGO ISD. Enrollment runs roughly 44% smaller than the state mean of about 796.

Within SAN DIEGO ISD, which oversees 3 schools and 1,453 students, SAN DIEGO H S is one campus in the system.

Looking at the student body, SAN DIEGO H S shows that nearly all students (98%) are Hispanic. The wider county runs roughly 82% Hispanic, putting the school's mix considerably more Hispanic than the area baseline.

On the resource side, On paper, SAN DIEGO H S has 31 full-time-equivalent teachers, translating to a class-load average of around 14.6:1. The state averages about 15.1:1, putting this campus right in line with peers. Roughly 84% of students at SAN DIEGO H S qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

Adjusting for the school's free-and-reduced-lunch share, SAN DIEGO H S sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 37.3%; this one delivers 46.5%.

Around the school, the surrounding county (Duval County) reports that median household income runs about $49,038, roughly 7% of adults have completed at least a four-year degree, and the poverty rate sits near 18%. In all, Duval County runs 10 public schools (combined enrollment of about 2,346 students), of which SAN DIEGO H S is one.

Nearest neighbor: BERNARDA JAIME J H, around 0.6 miles off. Within five miles, there are 2 other public schools. On composite proficiency, SAN DIEGO H S comes 2nd of 9 in the immediate cluster, ahead of the nearby-schools average of 40.7%.

The campus sits in a countryside setting.

Trend over the last 7 years. Over the past 7-year window, the student count expanded 18%: 379 students in 2018 compared to 446 in 2025. The student-to-teacher ratio widened from 12.0:1 in 2018 to 14.6:1 today.

Within the allk12 community for this school, the feed for SAN DIEGO H S typically covers school events, parent volunteer needs, and clubs. The community welcomes input from current and former families.