Summary:
Zip code 61517 has two schools in Brimfield Grade School (prekindergarten–grade 8) and Brimfield High School (grades 9–12), serving 587 students combined in Brimfield CUSD 309. Both schools’ available overall results are above state levels in some key areas, but scores vary considerably by grade. The clearest headline is that Brimfield High’s Grade 11 ACT results are far above state results, while its Grade 9 results are below state in all three subjects.
Brimfield High School stands out in Grade 11: ACT results are 27 percentage points above state in ELA, 18 points above in math and 22 points above in science. Its Grade 10 results are also above state, by 6 points in ELA, 11 in math and 3 in science; Grade 9 results, by contrast, are 7, 3 and 1 point below state, respectively. Brimfield Grade School is above state overall in ELA (60% versus 56%) and math (49% versus 40%), with its strongest results in grade 8: 85% in ELA and 68% in math, compared with 63% and 35% statewide. Fourth-grade math is a notable weakness, at 29% versus 42% statewide.
Results have moved in different directions over time. At Brimfield Grade School, all-grades ELA rose 5 points and math 3 points from 2024–25 to 2025–26; fifth-grade science fell 7 points, while eighth-grade science rose 17. At Brimfield High School, Grade 11 ACT results improved, while Grade 9 and 10 PreACT results fell. SchoolDigger ranks the high school 153rd of 620 schools (75th percentile, four stars) and the Grade School 883rd of 1,737 (49th percentile, two stars). For 2024–25, the schools’ free/reduced lunch eligible shares were 10% at the high school and 18% at the Grade School; student-teacher ratios were 10.5 and 12.8, respectively. Because the schools serve different grades and have different assessments, their scores are not a like-for-like comparison.
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