Mission Vista High
Oceanside, CA · High School · Grades 9-12
Mission Vista High is a high school in Oceanside, CA with 1,640 students enrolled and a 53% proficiency rate. Part of Vista Unified. NCES data from the U.S. Department of Education.
Mission Vista High is a high school in Oceanside, CA, enrolling 1,640 students in grades 9-12 within the Vista Unified. That headcount is above the 671-student average for schools in the district.
EDFacts assessment data puts 53% 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 9 points above the 44% average for the Vista Unified. Against the 45% California statewide average, the school sits 8 points higher.
The district proficiency rate this school inherits has held roughly steady over the last three reported years. As a high school, it reports a 77% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 23.1 to 1, above the U.S. average of roughly 16 to 1. 37% of students qualify for free or reduced-price lunch.
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About This School
Mission Vista High is a high school located in Oceanside, California. The school serves 1,640 students in grades 9-12. The student-to-teacher ratio is 23.1:1.
According to EDFacts assessment data, 53% of students meet grade-level proficiency standards in combined math and reading. The school reports a 77% graduation rate.
37% of students qualify for free or reduced-price lunch.
Mission Vista High is part of the Vista Unified in California.
How This School Compares
Mission Vista High has 1,640 students enrolled, making it larger than the average school in Vista Unified (671 students). Its 53% proficiency rate is 9 percentage points above the district average of 44%. Compared to the California state average of 45%, the school performs 8 points higher. The 23.1:1 student-teacher ratio is above the national average of 16:1.
Frequently Asked Questions
Mission Vista High has 1,640 students enrolled in grades 9-12. The student-to-teacher ratio is 23.1:1.
According to EDFacts data, 53% of students at Mission Vista High meet grade-level proficiency standards in combined math and reading assessments.
Mission Vista High has a 77% graduation rate, measuring the percentage of students who graduate within four years.
Mission Vista High is part of the Vista Unified in Oceanside, 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.
Source: NCES Common Core of Data, 2026.