Greenfield Junior High School
Gilbert, AZ · Middle School · Grades 6-8
Greenfield Junior High School is a middle school in Gilbert, AZ with 1,204 students enrolled and a 72% proficiency rate. Part of Gilbert Unified District (4239). NCES data from the U.S. Department of Education.
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About This School
Greenfield Junior High School is a middle school located in Gilbert, Arizona. The school serves 1,204 students in grades 6-8. The student-to-teacher ratio is 22.3:1.
According to EDFacts assessment data, 72% of students meet grade-level proficiency standards in combined math and reading.
20% of students qualify for free or reduced-price lunch.
Greenfield Junior High School is part of the Gilbert Unified District (4239) in Arizona.
How This School Compares
Greenfield Junior High School has 1,204 students enrolled, making it larger than the average school in Gilbert Unified District (4239) (876 students). Its 72% proficiency rate is 12 percentage points above the district average of 60%. Compared to the Arizona state average of 48%, the school performs 24 points higher. The 22.3:1 student-teacher ratio is above the national average of 16:1.
Other Schools in Gilbert Unified District (4239)
Frequently Asked Questions
Greenfield Junior High School has 1,204 students enrolled in grades 6-8. The student-to-teacher ratio is 22.3:1.
According to EDFacts data, 72% of students at Greenfield Junior High School meet grade-level proficiency standards in combined math and reading assessments.
Greenfield Junior High School is part of the Gilbert Unified District (4239) in Gilbert, Arizona. 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.
this entity is one of the data points covered by this site’s U.S. K-12 school outcomes and enrollment dataset. The detail above comes directly from NCES Common Core of Data and EDFacts; the context that follows situates the headline numbers against the broader distribution across U.S. public schools and districts.
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.