Summary
Riverside High School is a mid-sized public high school in Decaturville, Tennessee, serving 440 students in grades 9–12 as part of Decatur County Schools. The school has earned a 4-star rating for six consecutive years, though its state ranking has fluctuated within that tier, reaching the 86th percentile in 2024–25 before slipping to the 73rd percentile in 2025–26. That still places it above the statewide median, but below nearby Scotts Hill High School (86th percentile) and Lexington High School (85th percentile), both in Henderson County.
In the classroom, Riverside shows a mixed picture. The school beats the state average in Algebra I, Algebra II, English I, and Geometry, and its English II proficiency reached 72% in 2024–25. However, it lags the Henderson County schools in most STEM subjects — Lexington and Scotts Hill both post notably higher proficiency in Algebra II, Biology, and Geometry. Riverside's clearest weakness is U.S. History, where only 27% of students were proficient in 2025–26, far below the state average of roughly 42–44%. Even Perry County High School, despite a much lower overall ranking, outperformed Riverside in that subject. Biology is another concern, with 43.3% proficiency versus the state's 49.8%.
Riverside's graduation rate improved to 89.8% in 2024–25 after a difficult stretch, and its dropout rate fell to 2.8%, well below the state average of 6.7%. Chronic absenteeism also improved to 17.2%. The school spends $12,144 per student — similar to Scotts Hill, more than Lexington, and less than Perry County — yet its neighbors produce stronger results in most subjects. Special education outcomes are an area of concern, while the school's performance serving low-income students has been a relative strength. Overall, Riverside is a solid mid-tier school with real strengths in Algebra and English, but it has room to improve in science, U.S. History, and graduation rates.
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