Best Public Schools in Zip Code 40330

ZIP code 40330 has six schools—two elementary, one middle and three high schools—serving PK through grade 12; together they enroll 2,674 students, with individual enrollments ranging from 11 to 748. Results vary substantially: Mercer County Senior High School was above the state in all six reported subjects in 2025–2026, while Mercer Central was below it in all four subjects with exact results. The clearest takeaway is that the two high schools have very different reported results.

Senior High stands out at the top: its average result was 8 percentage points above the state, and it outscored Mercer Central by 19 to 39 points in each of their four comparable subjects. For example, grade 10 math proficiency was 53% at Senior High and 14% at Central. Mercer County Intermediate also performed above the state on average, by 5 points. At the lower end, Central averaged 21 points below the state across its four exact results. Kenneth D. King Middle was close to the state overall, but varied by subject, from 9 points above in grade 7 reading to 8 points below in grade 8 writing.

Recent trends favor Intermediate: its SchoolDigger percentile rose from 36 to 64 between 2023–2024 and 2025–2026, while its average state advantage grew from near zero to 5 points. SchoolDigger percentiles declined over that period at Senior High (86 to 81) and Central (13 to 9). Central’s lower 2024–2025 student-teacher ratio—12.7, compared with 17.3 at Senior High—did not coincide with stronger scores; its free/reduced lunch eligible measure that year was 78%, compared with 56% at Senior High. Chronic absenteeism was also high at Central (53%) and Day Treatment (57%), versus 16% at Senior High and 11% at Intermediate. Mercer County Elementary serves PK–2 and has no test scores in these data; Day Treatment’s school proficiency figures are state-suppressed.