Winterhaven School
Portland, OR · Middle School
Winterhaven School is a middle school in Portland, OR with 313 students enrolled and a 66% proficiency rate. Part of Portland SD 1J. NCES data from the U.S. Department of Education.
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About This School
Winterhaven School is a middle school located in Portland, Oregon. The school serves 313 students. The student-to-teacher ratio is 19.6:1.
According to EDFacts assessment data, 66% of students meet grade-level proficiency standards in combined math and reading.
20% of students qualify for free or reduced-price lunch.
Winterhaven School is part of the Portland SD 1J in Oregon.
How This School Compares
Winterhaven School has 313 students enrolled, making it smaller than the average school in Portland SD 1J (501 students). Its 66% proficiency rate is 14 percentage points above the district average of 52%. Compared to the Oregon state average of 48%, the school performs 18 points higher.
Frequently Asked Questions
Winterhaven School has 313 students enrolled. The student-to-teacher ratio is 19.6:1.
According to EDFacts data, 66% of students at Winterhaven School meet grade-level proficiency standards in combined math and reading assessments.
Winterhaven School is part of the Portland SD 1J in Portland, Oregon. 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.
For this entity, the underlying data on this page comes from NCES Common Core of Data and EDFacts. The breakdown above is the federal record; the paragraphs below add the per-entity context that makes the headline numbers usable for a real decision rather than just a data lookup.
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.
Practical use of this page is in combination with the comparison and ranking pages elsewhere on the site, which surface the same data for this entity’s peers within U.S. public schools and districts. A single-entity reading without peer context can be misleading when an entity is an outlier on one axis but typical on another.
Source: NCES Common Core of Data, 2026.