Summary
J C Harmon High serves 1,285 students in grades 9–12 in Kansas City, Kansas, as part of the Kansas City district. In 2025–26, just 12% of students were proficient in English language arts (ELA), 6% in math and 7% in science; chronic absenteeism was 66%, compared with 39% in the district and 18% statewide. Among nearby conventional high schools reporting absenteeism, only one had a higher rate. The most important finding for families is that achievement is low across all three subjects, alongside exceptionally high absenteeism.
Science is the school’s strongest subject relative to the state, district and nearby schools, while math is its weakest against the state and nearby peers. Harmon’s proficiency was 34 percentage points below Kansas in ELA, 35 points below in math and 31 points below in science; compared with the Kansas City district, it was behind by 11, 10 and 8 points, respectively. Among six nearby high schools with scores, average proficiency was 35% in ELA, 30% in math and 23% in science—gaps of 23, 24 and 17 points above Harmon. Its 2023–24 graduation rate of 80% was 3 points above the district’s 78%, but 9 points below Kansas’ 90%.
Test scores have risen since 2022–23, but the school has not kept pace with state improvement: proficiency increased by 7 points in ELA, 5 in math and 4 in science, while its gaps with Kansas widened by 6, 4 and 3 points. Chronic absenteeism also remains high, rising from 60% in 2022–23 to 66% in 2025–26. SchoolDigger ranks Harmon 332nd of 340 Kansas schools, in the 2nd percentile with 0 stars; it ranks the Kansas City district 264th of 268. The student–teacher ratio is 17.9, above the nearby-school average of 16.2, and 76% of students qualify for free or reduced-price lunch—context, not an explanation for results. SchoolDigger’s statewide rankings show stronger relative standing for English Language Learner students, at the 40th percentile, and students receiving Special Education services, at the 36th percentile versus the school’s overall 2nd percentile; the latter group rose from the 3rd percentile in 2023–24.
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