Kelly Walsh High School
Casper, WY · High School · Grades 9-12
Kelly Walsh High School is a high school in Casper, WY with 2,051 students enrolled and a 55% proficiency rate. Part of Natrona County School District #1. NCES data from the U.S. Department of Education.
Kelly Walsh High School is a high school in Casper, WY that enrolls 2,051 students in grades 9-12, putting it among the larger public campuses in the Natrona County School District #1. That headcount is above the 489-student average for schools in the district.
EDFacts assessment data puts 55% 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 tracks the 54% district average closely, within a few points either way. That is in line with the 55% Wyoming statewide average.
Over the last three reported years the district proficiency rate this school inherits has risen by about 34 points. As a high school, it reports a 78% adjusted-cohort graduation rate, the share of first-time ninth-graders who earn a regular diploma within four years.
The student-teacher ratio is 15.9 to 1, close to the U.S. average of about 16 to 1. 29% of students qualify for free or reduced-price lunch.
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About This School
Kelly Walsh High School is a high school located in Casper, Wyoming. The school serves 2,051 students in grades 9-12. The student-to-teacher ratio is 15.9:1.
According to EDFacts assessment data, 55% of students meet grade-level proficiency standards in combined math and reading. The school reports a 78% graduation rate.
29% of students qualify for free or reduced-price lunch.
Kelly Walsh High School is part of the Natrona County School District #1 in Wyoming.
How This School Compares
Kelly Walsh High School has 2,051 students enrolled, making it larger than the average school in Natrona County School District #1 (489 students). Its 55% proficiency rate is 0 percentage points above the district average of 54%. Compared to the Wyoming state average of 55%, the school performs 0 points higher.
Other Schools in Natrona County School District #1
Frequently Asked Questions
Kelly Walsh High School has 2,051 students enrolled in grades 9-12. The student-to-teacher ratio is 15.9:1.
According to EDFacts data, 55% of students at Kelly Walsh High School meet grade-level proficiency standards in combined math and reading assessments.
Kelly Walsh High School has a 78% graduation rate, measuring the percentage of students who graduate within four years.
Kelly Walsh High School is part of the Natrona County School District #1 in Casper, Wyoming. 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.