Summary:
Mariemont City has a single public middle school: Mariemont Junior High School, located at 3847 Southern Avenue in Cincinnati and serving grades 7 and 8 with about 239 students — roughly 120 per grade. Because it is the only middle school in the Mariemont City district, there are no local peers to compare it against. The useful benchmarks are its own district and the state of Ohio, and by both measures it sits among the strongest middle schools in Ohio.
The school's state rank climbed from 19th to 11th to 4th over three years, out of roughly 1,040 Ohio middle schools — about the top 0.4% — and it has earned five stars each year. On the 2025-26 state tests, every subject beat Ohio by at least 30 points: 7th-grade math 97.3 versus 48.6 statewide, 7th-grade English 99.2 versus 62.7, 8th-grade science 94.3 versus 61.2, and 8th-grade English 88.5 versus 58.3. Algebra I and Geometry end-of-course exams reached 100% proficiency in both years, which is a ceiling with no room for further growth. Math and English gains were concentrated in 7th grade, while 8th grade held essentially flat.
The one measure where the school trails its own district is attendance: chronic absenteeism is 9.7% versus 8.2% district-wide. About 15% of students qualify for free or reduced-price lunch, and the student-teacher ratio is 11.8 to 1. Per-student spending is listed at $8,800, but that figure dates to 2018-19 and is best treated as historical context rather than an explanation for current results. With roughly 120 students per grade, small year-to-year swings are normal and are better read as noise than as trends.
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