Marcus H S
Flower Mound, TX · High School · Grades 9-12
Marcus H S is a high school in Flower Mound, TX with 3,005 students enrolled and a 61% proficiency rate. Part of Lewisville Isd. NCES data from the U.S. Department of Education.
Marcus H S is a high school in Flower Mound, TX that enrolls 3,005 students in grades 9-12, putting it among the larger public campuses in the Lewisville Isd. That headcount is above the 791-student average for schools in the district.
EDFacts assessment data puts 61% 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 7 points above the 54% average for the Lewisville Isd. Against the 44% Texas statewide average, the school sits 17 points higher.
Over the last three reported years the district proficiency rate this school inherits has risen by about 25 points. As a high school, it reports a 88% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 15.0 to 1, close to the U.S. average of about 16 to 1. A relatively low 11% of students qualify for free or reduced-price lunch.
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About This School
Marcus H S is a high school located in Flower Mound, Texas. The school serves 3,005 students in grades 9-12. The student-to-teacher ratio is 15.0:1.
According to EDFacts assessment data, 61% of students meet grade-level proficiency standards in combined math and reading. The school reports a 88% graduation rate.
11% of students qualify for free or reduced-price lunch.
Marcus H S is part of the Lewisville Isd in Texas.
How This School Compares
Marcus H S has 3,005 students enrolled, making it larger than the average school in Lewisville Isd (791 students). Its 61% proficiency rate is 7 percentage points above the district average of 54%. Compared to the Texas state average of 44%, the school performs 17 points higher.
Frequently Asked Questions
Marcus H S has 3,005 students enrolled in grades 9-12. The student-to-teacher ratio is 15.0:1.
According to EDFacts data, 61% of students at Marcus H S meet grade-level proficiency standards in combined math and reading assessments.
Marcus H S has a 88% graduation rate, measuring the percentage of students who graduate within four years.
Marcus H S is part of the Lewisville Isd in Flower Mound, 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.