Piedmont Hills High

Located at 1377 Piedmont Rd., in San Jose, California, Piedmont Hills High is a roomy four-year high school that hosts 1,918 students (grades 9 through 12), part of East Side Union High. Compared to the state average of about 838 students per school, that is 129% above typical.

East Side Union High runs 16 schools in total, collectively educating 19,736 students. Piedmont Hills High is one of those campuses.

For racial and ethnic makeup, Piedmont Hills High reports that the largest single group is Asian, at 60% of enrollment; the rest breaks down as 28% Hispanic, 5% multiracial, 5% White. That is considerably more Asian than the county at large, where the share is closer to 41%.

In terms of school funding signals, Staff filings list 84 full-time-equivalent teachers, which works out to roughly 22.9:1 students per teacher. Statewide, the average ratio sits near 18.2:1, putting Piedmont Hills High higher than the state norm the norm. Roughly 30% of students at Piedmont Hills High qualify for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.

After controlling for student poverty, Piedmont Hills High tracks the demographic baseline. The model predicts 61.5% given the school's FRL share; actual proficiency is 64.2%.

In the area at large, Santa Clara County reports that the typical household earns roughly $164,281 per year, about 57% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 4%. Across Santa Clara County's 412 public schools (combined enrollment of about 230,059 students), Piedmont Hills High is one campus in the mix.

The closest other public school is Ruskin Elementary, roughly 0.4 miles away. Within five miles, there are 8 other public schools. On composite proficiency, Piedmont Hills High comes 6th of 9 in the immediate cluster, higher than the nearby-schools average of 59.6%.

Geographically, the school is in a city-core area.

Looking at the recent track record. Over the past 7-year window, the student count fell 11%: 2,144 students in 2018 compared to 1,918 in 2025. Hispanic enrollment moved from 23% to 28% across the same window. The student-to-teacher ratio narrowed from 24.4:1 in 2018 to 22.9:1 today.

Within the allk12 community for this school, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Posting is open to anyone connected to the school.