Summary:
Minonk has two listed schools serving different grade spans: Fieldcrest Primary School serves prekindergarten through grade 2, and Fieldcrest High School serves grades 9–12; together they enroll 477 students. The high school’s results are mixed by grade: its 11th graders and 10th graders are above Illinois proficiency in all tested subjects, while its 9th graders are below the state in all three. There are no comparable proficiency scores for the primary school, so the available results cannot identify an achievement leader between the two schools. The clearest finding is that achievement at the high school differs sharply by grade.
Fieldcrest High School stands out in the latest ACT results: 11th-grade proficiency was 60% in English language arts, 47% in math and 55% in science—10, 7 and 7 percentage points above the state, respectively. Its 10th graders were also above the state, by 12 points in English language arts, 17 in math and 2 in science. The contrast is 9th grade, where results were 8 points below the state in English language arts, 6 below in math and 8 below in science. For attendance, Fieldcrest Primary School stands out positively: chronic absenteeism was 13% in 2025–2026, compared with 29% at the high school and 24% statewide.
Recent trends reinforce the grade-level split: from 2024–2025 to 2025–2026, 10th-grade proficiency rose 12 points in English language arts, 18 in math and 1 in science, while 9th-grade results fell 10, 10 and 19 points, respectively. SchoolDigger ranked the high school at the 39th percentile in 2023–2024, 73rd in 2024–2025 and 68th in 2025–2026, with its star rating moving from 2 to 4 to 3; the primary school’s older rankings were 36th, 43rd and 42nd percentile. In 2024–2025, the schools’ student–teacher ratios were 9.5 at the high school and 15.7 at the primary school, while free/reduced lunch eligible rates were 54% and 56%. Those income figures are close, but they do not explain the differences in attendance or achievement.
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