Summary:
ZIP code 40299 has one listed high school, Jeffersontown High, serving grades 9–12 with 1,196 students. Its test results are below Kentucky’s in all six reported subjects, while its reading and writing results are slightly above those for Jefferson County. The clearest concern is chronic absenteeism: 53% of students were chronically absent in 2025–2026, compared with 32% countywide and 24% statewide.
There are no other listed schools in the ZIP code to rank against Jeffersontown, so it is the local leader and trailer by default—not evidence that it outperforms or trails local peers. Compared with the state, its strongest results were reading and science, each 12 percentage points lower; mathematics had the largest gap, at 23 points lower. Proficiency ranged from 11% in science to 37% in reading, versus state results of 23% and 49%, respectively. Jeffersontown was 1 point above the county in both reading (37% versus 36%) and writing (33% versus 32%), but 4–12 points below it in the other four subjects. SchoolDigger rates the school 1 star and ranks it 224th of 262 Kentucky high schools, at the 15th percentile.
Results changed unevenly from 2024–2025 to 2025–2026: reading rose 6 points, from 31% to 37%, and editing and mechanics rose 4 points, from 23% to 27%; mathematics fell 5 points, writing 6, and social studies 2. SchoolDigger’s percentile ranking fell from 29th in 2023–2024 to 15th in 2024–2025, then remained at 15th in 2025–2026. Graduation is a relative bright spot against the county: Jeffersontown’s 92% rate was 3 points above the county’s 89%, though 2 points below the state’s 94%. For context, 66% of students were free/reduced lunch eligible in SY 2024–2025, and the student–teacher ratio was 15.9.
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