Martinsville Jr- Sr High School
School pathway
Test scores
IAR + ISA 2024-25 . % Proficient (Levels 4-5)What this means: On the IAR + ISA, Illinois's statewide test, about 32 of every 100 students at this school read and write at grade level and about 18 of 100 do math at grade level. Across all Illinois schools, those numbers are about 51 and 38. Reading and writing scores are up about 10 points since 2023, while math scores are up about 14 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 26% of students here test proficient in math and reading, below the roughly 41% typical for Illinois schools with a similar share of low-income students. BeatsExpectations compares each school with others at the same poverty level, not by raw scores, so a school lands here when its results trail those comparable schools, which is not the same as having low scores. A higher-scoring school can still fall in this tier if similar schools score higher still.
7-year change
SY 2017-18 vs SY 2024-25About Martinsville Jr- Sr High School
Martinsville Jr- Sr High School is an one-room-style 9-12 campus in Martinsville, Illinois, one of the schools within Martinsville CUSD 3C. The school enrolls 146 students in grades 7 through 12. Enrollment runs roughly 82% smaller than the state mean of about 834.
Within Martinsville CUSD 3C, which oversees 2 schools and 384 students, Martinsville Jr- Sr High School is one campus in the system.
Looking at the student body, Martinsville Jr- Sr High School reports that 95% of students identify as White, making the school strongly White-majority. The remainder is composed of 3% multiracial. That mix tracks the wider county fairly closely.
Looking at the economic backdrop, The school currently runs with 16 full-time-equivalent teachers, for a student-teacher ratio near 9.4:1. That figure is tighter than the state norm's 13.8:1 average. Roughly 53% of students at Martinsville Jr- Sr High School qualify for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.
With demographic context factored in, On a poverty-adjusted basis, Martinsville Jr- Sr High School sits in the bottom 10% statewide. Predicted proficiency from the FRL regression is roughly 41.1%; actual is 25.9%, a gap of -15.2 points.
Around the school, community-level numbers for Clark County indicate median household income runs about $72,927, roughly 25% of adults have completed at least a four-year degree, and the poverty rate sits near 6%. Martinsville Jr- Sr High School is one of 9 public schools in Clark County (combined enrollment of about 2,456 students).
Martinsville Elem School is the nearest neighboring public school, about 0.6 miles from this campus. 3 of the 8 nearest public schools sit inside a ten-mile radius, suggesting a relatively low-density school footprint. Ranking that nearby cluster on reported proficiency puts Martinsville Jr- Sr High School at 8th of 8; the average score across the group is 43.9%.
Geographically, the school is in an outlying area.
Five-year trend. Over the past 7-year window, the student count declined 15%: 172 students in 2018 compared to 146 in 2025. The student-to-teacher ratio pulled in from 11.7:1 in 2018 to 9.4:1 today.
On the community side, posts here usually surface around science fair prep, picture-day reminders, and bus-route questions. Anyone with firsthand experience at this school can post or comment.
Clark County at a glance
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Related schools
- Martinsville Elem SchoolElementary · 238 students
- Martinsville Elem School0.6 mi · 238
- Casey-Westfield Jr/Sr HS5.8 mi · 361
- Monroe Elem School6.0 mi · 530
- Marshall Jr High School10.9 mi · 186
- Marshall High School10.9 mi · 350
- South Elem School10.9 mi · 306