Summary:
ZIP code 43821 has one middle school: Tri-Valley Middle School, serving grades 6–8 in Dresden, OH, as part of the Tri-Valley Local district, with 475 students. Overall, it earns 3 stars and has ranked around the 64th–66th percentile in Ohio for three years, while the district is 4 stars, 184th of 773 (76th percentile).
Academically, the strongest result is Algebra I End-of-Course: 100% proficient in 2025–2026, up from 97.2%, compared with 72.6% in the district and 61.6% statewide. In 2025–2026, 7th grade ELA reached 74.1% proficient, 11.4 points above the state; 7th grade math reached 61.3%, 12.7 points above the state; and 8th grade math reached 58.3%, 6.3 points above the state. 8th grade ELA was 62.4%, 4.1 points above the state but 0.8 points below the district. Science 8 is the main watch area: 61.1%, down 8.1 points from 69.2%, essentially tied with the state (61.2%) and slightly below the district (62.0%).
Chronic absenteeism is 17.8%, higher than the district’s 12.5%—about 1 in 5.6 students chronically absent at the school versus about 1 in 8 in the district. Free/reduced-price lunch is 41.68%, the student-teacher ratio is 22.6, and per-student spending was $8,625 in 2018–2019. In 2024–2025, district and school scores were identical in every subject except Algebra I, showing this middle school is a major driver of district results in these grades. Parents should see strong math, 7th grade ELA, and Algebra I performance, while monitoring the Science 8 decline and the higher-than-district absenteeism rate.
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