Mckinney H S
Mckinney, TX · High School · Grades 9-12
Mckinney H S is a high school in Mckinney, TX with 2,918 students enrolled and a 48% proficiency rate. Part of Mckinney Isd. NCES data from the U.S. Department of Education.
Mckinney H S is a high school in Mckinney, TX that enrolls 2,918 students in grades 9-12, putting it among the larger public campuses in the Mckinney Isd. That headcount is above the 729-student average for schools in the district.
EDFacts assessment data shows 48% of students reaching grade-level proficiency in combined math and reading, near the middle of the national range. That is 7 points below the 55% average for the Mckinney Isd. Against the 44% Texas statewide average, the school sits 5 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 86% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 16.9 to 1, close to the U.S. average of about 16 to 1. 40% of students qualify for free or reduced-price lunch.
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About This School
Mckinney H S is a high school located in Mckinney, Texas. The school serves 2,918 students in grades 9-12. The student-to-teacher ratio is 16.9:1.
According to EDFacts assessment data, 48% of students meet grade-level proficiency standards in combined math and reading. The school reports a 86% graduation rate.
40% of students qualify for free or reduced-price lunch.
Mckinney H S is part of the Mckinney Isd in Texas.
How This School Compares
Mckinney H S has 2,918 students enrolled, making it larger than the average school in Mckinney Isd (729 students). Its 48% proficiency rate is 7 percentage points below the district average of 55%. Compared to the Texas state average of 44%, the school performs 5 points higher.
Frequently Asked Questions
Mckinney H S has 2,918 students enrolled in grades 9-12. The student-to-teacher ratio is 16.9:1.
According to EDFacts data, 48% of students at Mckinney H S meet grade-level proficiency standards in combined math and reading assessments.
Mckinney H S has a 86% graduation rate, measuring the percentage of students who graduate within four years.
Mckinney H S is part of the Mckinney Isd in Mckinney, Texas. 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.