Lake Preston 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 76 of every 100 students at this school read and write at grade level and about 70 of 100 do math at grade level. Across all South Dakota schools, those numbers are about 50 and 47. Reading and writing scores are up about 35 points since 2022, while math scores are up about 29 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 69% of students here test proficient in math and reading, well above the roughly 47% 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 22 points, placing it in South Dakota's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About Lake Preston Middle School - 03
Lake Preston Middle School - 03 is a 6-8 campus of minimally staffed scale in Lake Preston, South Dakota, operated by Lake Preston School District 38-3, serveing 33 students in grades 6 through 8. Compared to the state average of about 187 students per school, that is 82% below typical.
Lake Preston Middle School - 03 is one of 3 schools operated by Lake Preston School District 38-3, a district that instructs 170 students overall.
On demographics, Lake Preston Middle School - 03 reports that nearly all students (88%) are White. Beyond that, the school logs 6% Hispanic, 6% multiracial.
In terms of school funding signals, Lake Preston Middle School - 03 logs 4 full-time-equivalent teachers, putting the student-to-teacher ratio at about 8.4:1. Statewide, the average ratio sits near 13.4:1, putting Lake Preston Middle School - 03 tighter than the state norm the norm. Roughly 39% of students at Lake Preston Middle School - 03 qualify for free or reduced-price lunch, often used as a Title I proxy. That share is above Kingsbury County's rate of about 29%.
On a residual basis (actual vs predicted given the student mix), Lake Preston 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 46.9%; actual is 68.9%, +22.0 points clear of the demographic baseline.
Around the school, community-level numbers for Kingsbury County indicate median household earnings sit near $74,000, roughly 23% of adults have completed at least a four-year degree, and census figures put the poverty rate at about 10%. In all, Kingsbury County runs 17 public schools (combined enrollment of about 1,061 students), of which Lake Preston Middle School - 03 is one.
The closest other public school is Lake Preston Elementary - 02, roughly 0.0 miles away. Within five miles, there are 2 other public schools. Ranking that nearby cluster on reported proficiency puts Lake Preston Middle School - 03 at 2nd of 5; the average score across the group is 60.1%.
Lake Preston Middle School - 03 operates from a low-density location.
Looking at the recent track record. Looking back 7 years, enrollment at Lake Preston Middle School - 03 has edged up 22%, going from 27 students in 2018 to 33 in 2025. Hispanic enrollment moved from 0% to 6% across the same window. Class-load math has fell: from 13.0:1 in 2018 to 8.4:1 in 2025.
Within the allk12 community for this school, the feed for Lake Preston Middle School - 03 typically covers pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.
Kingsbury County at a glance
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Related schools
- Lake Preston Elementary - 02Elementary · 96 students
- Lake Preston High School - 01High · 41 students
- Lake Preston Elementary - 02Elementary · 96 students
- Lake Preston High School - 01High · 41 students
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