John Sinnott Elementary

Located at 2025 Yellowstone Ave., in Milpitas, California, John Sinnott Elementary is a mid-sized K-5 school that teaches 686 students (grades K through 6), operated by Milpitas Unified. Enrollment runs roughly 48% larger than the state mean of about 465.

John Sinnott Elementary is one of 15 schools operated by Milpitas Unified, a district that enrolls 10,076 students overall.

Looking at the student body, John Sinnott Elementary records that the largest single group is Asian, at 78% of enrollment. The remainder is composed of 12% Hispanic, 5% multiracial, 4% White. The wider county runs roughly 41% Asian, putting the school's mix considerably more Asian than the area baseline.

On the resource side, On paper, John Sinnott Elementary has 27 full-time-equivalent teachers, translating to a class-load average of around 25.4:1. The state averages around 22.3:1, so this campus is higher than the state norm typical. An estimated 23% of students are eligible for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator. That share is south of Santa Clara County's rate of about 37%.

Adjusting for the school's free-and-reduced-lunch share, John Sinnott Elementary tracks the demographic baseline. The model predicts 66.0% given the school's FRL share; actual proficiency is 78.8%.

Around the school, community-level numbers for Santa Clara County indicate median household earnings sit near $164,281, 57% of adults hold a bachelor's degree or higher, and roughly 4% of residents live below the federal poverty line. Across Santa Clara County's 412 public schools (combined enrollment of about 230,059 students), John Sinnott Elementary is one campus in the mix.

Nearest neighbor: Rancho Milpitas Middle, around 0.1 miles off. 8 of the 8 nearest public schools sit inside a five-mile radius. Among the 8 schools in that immediate cluster with test data (this one included), John Sinnott Elementary ranks 1st on composite proficiency, above the local average of 55.4%.

The campus sits in a city-core setting.

Looking at the recent track record. Looking back 7 years, enrollment at John Sinnott Elementary has shrank 10%, going from 765 students in 2018 to 686 in 2025.

Inside the community feed, the feed for John Sinnott Elementary typically covers sports schedules, lunch menu changes, and school spirit week. Posting is open to anyone connected to the school.