public middle School
    Ontario-Montclair

    Serrano Middle in Montclair, California

    4725 San Jose St., Montclair, CA 91763
    Enrollment

    680

    Grades

    7-8

    Ratio

    17.9:1

    District

    Ontario-Montclair

    (909)624-0029
    🦦29
    Needs Improvement1/5 metrics
    🦦29
    1/5 metrics

    Otter Score

    Needs Improvement

    B-
    Teachers
    A+
    Diversity

    About Serrano Middle

    Serrano Middle is a public middle school located in Montclair, California. The school serves grades 7-8 and has a total enrollment of 680 students. With a student-teacher ratio of 17.9:1, Serrano Middle has class sizes comparable to national averages.

    About Serrano Middle

    Serrano Middle is a developing public middle school located in Montclair, CA. Serving grades 7-8 with an enrollment of 680 students, the school is part of the Ontario-Montclair. With a student-teacher ratio of 17.9:1, Serrano Middle maintains class sizes typical for schools in the region.

    Academic Performance

    Students at Serrano Middle perform below state averages on standardized assessments. Math proficiency stands at 0%, reading at 0%, and science at 0%. The school is actively working to close achievement gaps through targeted intervention programs and additional support resources.

    Community & Diversity

    Serrano Middle serves a diverse socioeconomic community, with 89.26% of students qualifying for free or reduced-price lunch programs. Located in Montclair, CA, the school benefits from the community's local amenities and family-friendly environment. Families choosing Serrano Middle gain access to the broader resources of the Ontario-Montclair.

    DistrictOntario-Montclair
    Typepublic
    Address4725 San Jose St.
    Phone(909)624-0029
    Free/Reduced Lunch89.26%
    NCES ID062847004411

    Academics

    Test Scores

    Math ProficiencyN/A
    Reading ProficiencyN/A
    Science ProficiencyN/A

    Percentage of students meeting or exceeding proficiency standards on state assessments. Source: California Department of Education, 2025–2026.

    Students

    A+

    Demographics

    Source: NCES Common Core of Data, 2025–2026.

    Student Body

    Total Enrollment
    680
    Student-Teacher Ratio

    National avg: 16:1

    17.9:1
    Free/Reduced Lunch
    89.26%

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    Frequently Asked Questions

    What is the Otter Score for Serrano Middle?

    Serrano Middle has an Otter Score of 29/100, rated "Needs Improvement". The Otter Score combines test scores, graduation rates, college readiness, student-teacher ratio, and AP course availability into a single 0-100 composite rating.

    What grades does Serrano Middle serve?

    Serrano Middle serves grades 7-8 with a total enrollment of 680 students. It is a public middle school in Montclair, California.

    What is the student-teacher ratio at Serrano Middle?

    Serrano Middle has a student-teacher ratio of 17.9:1. The national average is approximately 16:1.

    How diverse is Serrano Middle?

    The student body at Serrano Middle is . The school earns a diversity grade of A+.

    Explore More Schools

    Data sourced from the National Center for Education Statistics (NCES) and California Department of Education. Updated for the 2025–2026 school year. AreaOtter is not affiliated with Serrano Middle or Ontario-Montclair.