Summary:
Northumberland School District is a small New Hampshire district with three schools serving grades K–12 and 316 students overall. The schools include Groveton Elementary School for grades K–5, Groveton High School (Middle) for grades 6–8, and Groveton High School for grades 9–12. Small enrollments and low student–teacher ratios may allow for personal attention, although results can change noticeably from year to year because each grade includes relatively few students.
Groveton High School is currently the strongest-ranked school in the district, at the 46th percentile, and has improved substantially over the past three years. Mathematics, reading, and science proficiency all increased in 2025–26. The school also reports a 90.9% graduation rate, above the state average, and a zero-percent dropout rate. Reading proficiency is slightly above the state average, while mathematics and science remain areas for improvement. Groveton Elementary School stands out for mathematics, with 55% proficiency overall and an especially strong fifth-grade result of 74%. Reading is less consistent, particularly in the earlier grades, and the school’s ranking slipped somewhat in the latest year.
Groveton High School (Middle) has improved its ranking but remains the district’s weakest-ranked school. Seventh-grade reading and mathematics are bright spots, yet eighth-grade performance is much weaker, especially in science, where proficiency is only 13%. Across the district, science is the most urgent academic concern, followed by middle- and high-school mathematics. Families may also want to note that performance varies considerably by grade: fifth-grade math and seventh-grade reading are strong, while eighth-grade science and mathematics need focused support. Overall, the district shows encouraging secondary-school improvement, but continued attention to science, mathematics, and consistent progress between grade levels is important.
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