Sierra Middle School
Parker, CO · Middle School · Grades 7-8
Sierra Middle School is a middle school in Parker, CO with 779 students enrolled and a 72% proficiency rate. Part of Douglas County School District No. Re 1. NCES data from the U.S. Department of Education.
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About This School
Sierra Middle School is a middle school located in Parker, Colorado. The school serves 779 students in grades 7-8. The student-to-teacher ratio is 18.1:1.
According to EDFacts assessment data, 72% of students meet grade-level proficiency standards in combined math and reading.
17% of students qualify for free or reduced-price lunch.
Sierra Middle School is part of the Douglas County School District No. Re 1 in Colorado.
How This School Compares
Sierra Middle School has 779 students enrolled, making it larger than the average school in Douglas County School District No. Re 1 (708 students). Its 72% proficiency rate is 10 percentage points above the district average of 62%. Compared to the Colorado state average of 51%, the school performs 21 points higher.
Other Schools in Douglas County School District No. Re 1
Frequently Asked Questions
Sierra Middle School has 779 students enrolled in grades 7-8. The student-to-teacher ratio is 18.1:1.
According to EDFacts data, 72% of students at Sierra Middle School meet grade-level proficiency standards in combined math and reading assessments.
Sierra Middle School is part of the Douglas County School District No. Re 1 in Parker, Colorado. 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.
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.