Summary
Lebanon High School is a public grades 9–12 school serving 606 students in Lebanon, New Hampshire, in the Upper Valley area near Hanover and Dartmouth College. Part of the Lebanon School District, it is a consistently strong school, ranking 13th of 89 New Hampshire high schools for 2025–2026 and placing in the state’s 85th percentile.
Academically, Lebanon performs well above state averages. In 2025–2026, 74% of students were proficient in reading, 62% in mathematics, and 52% in science, compared with 55%, 44%, and 38% statewide. Reading is the school’s most consistent strength, holding at 74% for three of the past four years. Mathematics improved substantially from 51% to 62% after a one-year decline, though it remains below the 67% reported in 2022–2023. The graduation rate was 89.3% in 2024–2025—above the state’s 87.0%—and the dropout rate was 0.0%. The school also stands out for special education effectiveness, ranking fourth among 33 comparable New Hampshire schools. Its student-teacher ratio is approximately 11.6 to 1.
Among nearby schools, Hanover High School, about 3.6 miles away, is the stronger benchmark, ranking third statewide with higher math, reading, science, and graduation results; it also serves a similar-sized student body. Sunapee Senior High School ranked fifth and had especially strong science results, but its smaller enrollment makes comparisons less stable. Lebanon outperformed Mascoma Valley Regional High School and Newport Middle High School in academic proficiency, while graduation rates at those schools were similar or higher. Overall, Lebanon offers strong, broad-based performance, with mathematics, science, and graduation trends worth monitoring.
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