Carlton Elementary
San Jose, CA · Elementary School
Carlton Elementary is a elementary school in San Jose, CA with 672 students enrolled and a 63% proficiency rate. Part of Union Elementary. NCES data from the U.S. Department of Education.
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About This School
Carlton Elementary is a elementary school located in San Jose, California. The school serves 672 students. The student-to-teacher ratio is 29.2:1.
According to EDFacts assessment data, 63% of students meet grade-level proficiency standards in combined math and reading.
5% of students qualify for free or reduced-price lunch.
Carlton Elementary is part of the Union Elementary in California.
How This School Compares
Carlton Elementary has 672 students enrolled, making it larger than the average school in Union Elementary (669 students). Its 63% proficiency rate is 3 percentage points below the district average of 66%. Compared to the California state average of 45%, the school performs 18 points higher. The 29.2:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Carlton Elementary has 672 students enrolled. The student-to-teacher ratio is 29.2:1.
According to EDFacts data, 63% of students at Carlton Elementary meet grade-level proficiency standards in combined math and reading assessments.
Carlton Elementary is part of the Union Elementary in San Jose, California. 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.
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.