Desert Mountain High School
Scottsdale, AZ · High School · Grades 9-12
Desert Mountain High School is a high school in Scottsdale, AZ with 1,880 students enrolled and a 74% proficiency rate. Part of Scottsdale Unified District (4240). NCES data from the U.S. Department of Education.
Desert Mountain High School is a high school in Scottsdale, AZ, enrolling 1,880 students in grades 9-12 within the Scottsdale Unified District (4240). That headcount is above the 706-student average for schools in the district.
On the latest EDFacts assessments, 74% of students reached grade-level proficiency in combined math and reading — a rate near the top of the national distribution. That is 17 points above the 58% average for the Scottsdale Unified District (4240). Against the 48% Arizona statewide average, the school sits 26 points higher.
Over the last three reported years the district proficiency rate this school inherits has risen by about 17 points. As a high school, it reports a 93% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 21.6 to 1, above the U.S. average of roughly 16 to 1. A relatively low 8% of students qualify for free or reduced-price lunch.
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About This School
Desert Mountain High School is a high school located in Scottsdale, Arizona. The school serves 1,880 students in grades 9-12. The student-to-teacher ratio is 21.6:1.
According to EDFacts assessment data, 74% of students meet grade-level proficiency standards in combined math and reading. The school reports a 93% graduation rate.
8% of students qualify for free or reduced-price lunch.
Desert Mountain High School is part of the Scottsdale Unified District (4240) in Arizona.
How This School Compares
Desert Mountain High School has 1,880 students enrolled, making it larger than the average school in Scottsdale Unified District (4240) (706 students). Its 74% proficiency rate is 17 percentage points above the district average of 58%. Compared to the Arizona state average of 48%, the school performs 26 points higher. The 21.6:1 student-teacher ratio is above the national average of 16:1.
Other Schools in Scottsdale Unified District (4240)
Frequently Asked Questions
Desert Mountain High School has 1,880 students enrolled in grades 9-12. The student-to-teacher ratio is 21.6:1.
According to EDFacts data, 74% of students at Desert Mountain High School meet grade-level proficiency standards in combined math and reading assessments.
Desert Mountain High School has a 93% graduation rate, measuring the percentage of students who graduate within four years.
Desert Mountain High School is part of the Scottsdale Unified District (4240) in Scottsdale, 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.