H B Mattlin Middle School
Plainview, NY · Middle School · Grades 5-8
H B Mattlin Middle School is a middle school in Plainview, NY with 772 students enrolled and a 69% proficiency rate. Part of Plainview-Old Bethpage Central School District. NCES data from the U.S. Department of Education.
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About This School
H B Mattlin Middle School is a middle school located in Plainview, New York. The school serves 772 students in grades 5-8. The student-to-teacher ratio is 10.6:1.
According to EDFacts assessment data, 69% of students meet grade-level proficiency standards in combined math and reading.
13% of students qualify for free or reduced-price lunch.
H B Mattlin Middle School is part of the Plainview-Old Bethpage Central School District in New York.
How This School Compares
H B Mattlin Middle School has 772 students enrolled, making it larger than the average school in Plainview-Old Bethpage Central School District (743 students). Its 69% proficiency rate is 2 percentage points above the district average of 67%. Compared to the New York state average of 47%, the school performs 22 points higher. With a 10.6:1 student-teacher ratio, it offers smaller class sizes than the national average.
Other Schools in Plainview-Old Bethpage Central School District
Frequently Asked Questions
H B Mattlin Middle School has 772 students enrolled in grades 5-8. The student-to-teacher ratio is 10.6:1.
According to EDFacts data, 69% of students at H B Mattlin Middle School meet grade-level proficiency standards in combined math and reading assessments.
H B Mattlin Middle School is part of the Plainview-Old Bethpage Central School District in Plainview, New York. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.