Mountain Ridge High School
Glendale, AZ · High School · Grades 7-12
Mountain Ridge High School is a high school in Glendale, AZ with 2,771 students enrolled and a 63% proficiency rate. Part of Deer Valley Unified District (4246). NCES data from the U.S. Department of Education.
Mountain Ridge High School is a high school in Glendale, AZ that enrolls 2,771 students in grades 7-12, putting it among the larger public campuses in the Deer Valley Unified District (4246). That headcount is above the 810-student average for schools in the district.
EDFacts assessment data puts 63% of students at or above grade level in combined math and reading, a little above the national midpoint where roughly half of tested students clear the bar. That is 6 points above the 57% average for the Deer Valley Unified District (4246). Against the 48% Arizona statewide average, the school sits 15 points higher.
Over the last three reported years the district proficiency rate this school inherits has risen by about 16 points. As a high school, it reports a 79% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 25.2 to 1, near the high end of the national distribution; NCES counts every certified teacher, so this figure includes specialists as well as classroom staff. A relatively low 10% of students qualify for free or reduced-price lunch.
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About This School
Mountain Ridge High School is a high school located in Glendale, Arizona. The school serves 2,771 students in grades 7-12. The student-to-teacher ratio is 25.2:1.
According to EDFacts assessment data, 63% of students meet grade-level proficiency standards in combined math and reading. The school reports a 79% graduation rate.
10% of students qualify for free or reduced-price lunch.
Mountain Ridge High School is part of the Deer Valley Unified District (4246) in Arizona.
How This School Compares
Mountain Ridge High School has 2,771 students enrolled, making it larger than the average school in Deer Valley Unified District (4246) (810 students). Its 63% proficiency rate is 6 percentage points above the district average of 57%. Compared to the Arizona state average of 48%, the school performs 15 points higher. The 25.2:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Mountain Ridge High School has 2,771 students enrolled in grades 7-12. The student-to-teacher ratio is 25.2:1.
According to EDFacts data, 63% of students at Mountain Ridge High School meet grade-level proficiency standards in combined math and reading assessments.
Mountain Ridge High School has a 79% graduation rate, measuring the percentage of students who graduate within four years.
Mountain Ridge High School is part of the Deer Valley Unified District (4246) in Glendale, 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.
Source: NCES Common Core of Data, 2026.