Serrano Middle

Serrano Middle operates as a mid-tier intermediate school in Montclair, California, run under Ontario-Montclair. Current enrollment sits at 657 students spanning grades 7 through 8.

Serrano Middle is one of 33 schools operated by Ontario-Montclair, a district that serves 17,640 students overall.

For racial and ethnic makeup, Serrano Middle lists that nearly all students (90%) are Hispanic. The remainder reads as 4% Asian, 3% Black, 2% White. The wider county runs roughly 55% Hispanic, putting the school's mix meaningfully more Hispanic than the area baseline.

On the resource side, Serrano Middle logs 36 full-time-equivalent teachers, putting the student-to-teacher ratio at about 18.4:1. Statewide, the average ratio sits near 20.7:1, putting Serrano Middle tighter than the state norm the norm. Around 91% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. That share is higher than San Bernardino County's rate of about 74%.

On a residual basis (actual vs predicted given the student mix), Serrano Middle sits in the top 10% of California schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 25.0%; actual is 47.5%, +22.5 points clear of the demographic baseline.

In the area at large, ACS estimates for San Bernardino County put median household earnings sit near $85,478, roughly 23% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 11%. In all, San Bernardino County runs 583 public schools (combined enrollment of about 393,648 students), of which Serrano Middle is one.

The closest other public school is Moreno Elementary, roughly 0.3 miles away. Counting just inside five miles, 8 other public schools cluster around Serrano Middle. On composite proficiency, Serrano Middle comes 2nd of 8 in the immediate cluster, ahead of the nearby-schools average of 40.5%.

Serrano Middle operates from a residential location.

Trend over the last 7 years. Over the past 7-year window, the student count declined 15%: 772 students in 2018 compared to 657 in 2025. Class-load math has tightened: from 21.1:1 in 2018 to 18.4:1 in 2025.

On the community side, posts here usually surface around school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.