Summary:
Grantsburg School District has one high school in this data set: Grantsburg High, serving grades 9–12 with 273 students in Grantsburg, Wisconsin. The district is ranked 302 of 432, in the 30th percentile with 2 stars, while the school’s latest rank is 252 of 533, in the 53rd percentile with 3 stars.
Grantsburg High stands out for strong graduation outcomes: a 96.8% graduation rate and 0.0% dropout rate, above both district and state. It also outperforms the district in every reported test subject in 2025–2026: Social Studies 50.75%, ELA 43.08%, Math 43.08%, and Science 43.08%. Social Studies is above the state (48.25%), Math is essentially at the state level (43.08% vs. 42.93%), and Science is very close (43.08% vs. 43.20%). ELA remains below the state (43.08% vs. 48.47%) but improved from 31.51%. Science improved from 28.77%, Math from 39.73%, and Social Studies declined from 65.57% but remains above state and district.
For parents, the main strengths are the recent rank jump from 1 star and 24th–26th percentile to 3 stars and 53rd percentile, excellent graduation/dropout results, and academic performance that leads the district. The watch points are ELA proficiency relative to the state and chronic absenteeism: 16.6%, slightly below the state’s 17.3% but above the district aggregate of 6.0%. The school has 37.73% free/reduced lunch, spends $13,577 per student, and has a 14.9:1 student-teacher ratio.
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