Big Stone City Middle School - 03
School pathway
Test scores
SD Smarter Balanced 2024-25 . % ProficientWhat this means: On the SD Smarter Balanced, South Dakota's statewide test, about 58 of every 100 students at this school read and write at grade level and about 63 of 100 do math at grade level. Across all South Dakota schools, those numbers are about 50 and 47. Reading and writing scores are down about 23 points since 2023, while math scores are down about 24 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 72% of students here test proficient in math and reading, well above the roughly 46% typical for South Dakota schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 27 points, placing it in South Dakota's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Big Stone City Middle School - 03
Set in Big Stone City, South Dakota, Big Stone City Middle School - 03 is a micro-enrollment middle school, run under Big Stone City School District 25-1. It works with 19 students across grades 6 through 8. Enrollment runs roughly 90% below the state mean of about 187.
Within Big Stone City School District 25-1, which oversees 2 schools and 79 students, Big Stone City Middle School - 03 is one campus in the system.
On the student-mix side, Big Stone City Middle School - 03 reports that the student body is overwhelmingly White (95%). The remainder is composed of 5% multiracial.
In terms of school funding signals, Big Stone City Middle School - 03 reports 4 full-time-equivalent teachers, putting the student-to-teacher ratio at about 4.3:1. The state averages around 13.4:1, so this campus is tighter than the state norm typical. About 42% of enrolled students meet the income threshold for free or reduced-price lunch, a number frequently used as a low-income enrollment indicator.
On a residual basis (actual vs predicted given the student mix), Big Stone City Middle School - 03 sits in the top 10% of South Dakota schools after the BeatsExpectations adjustment. Predicted proficiency for the school's FRL share is roughly 45.8%; actual is 72.5%, +26.7 points clear of the demographic baseline.
In the surrounding community, Grant County reports that the typical household earns roughly $75,028 per year, 25% of adults hold a bachelor's degree or higher, and roughly 8% of residents live below the federal poverty line. Big Stone City Middle School - 03 is one of 7 public schools in Grant County (combined enrollment of about 1,072 students).
Big Stone City Elementary - 01 is the nearest neighboring public school, about 0.0 miles from this campus. Counting just inside five miles, 3 other public schools cluster around Big Stone City Middle School - 03. Ranking that nearby cluster on reported proficiency puts Big Stone City Middle School - 03 at 1st of 6; the average score across the group is 55.4%.
Big Stone City Middle School - 03 operates from a countryside location.
Trend over the last 7 years. Looking back 7 years, enrollment at Big Stone City Middle School - 03 has decreased 34%, going from 29 students in 2018 to 19 in 2025. Class-load math has pulled in: from 7.2:1 in 2018 to 4.3:1 in 2025.
In the discussion threads here, the page collects discussion, questions, and updates around fundraisers, lost-and-found posts, and report-card season. Posting is open to anyone connected to the school.
Grant County at a glance
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Related schools
- Big Stone City Elementary - 01Elementary · 60 students
- Big Stone City Elementary - 01Elementary · 60 students
- Big Stone City Elementary - 010.0 mi · 60
- Ortonville Secondary1.5 mi · 228
- Knoll Elementary1.5 mi · 282
- Milbank High School - 019.4 mi · 333
- Milbank Middle School - 029.4 mi · 222
- Milbank Elementary - 039.4 mi · 408