Enrollment
393
Minnesota · 2024-25 NCES data
Elementary school (grades K-5) · Buffalo, MN
Federal NCES profile for Tatanka Elementary Stem School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 37/100.
The verdict
Tatanka Elementary Stem School earns 37/100 on the Resource Investment Index, with class sizes near the Minnesota median.
Tatanka Elementary Stem School has class sizes near the Minnesota median. Computed live against every Minnesota school reporting to NCES.
By Resource Investment Index, Tatanka Elementary Stem School ranks #4 of 4 elementary schools in Buffalo, MN.
NCES ID 270720001875 Verify on NCES CCD record →
Enrollment
393
Minnesota · 2024-25 NCES data
Teachers (FTE)
30.0
Federal CCD staff survey
Students per teacher
13.1:1
vs 15.8:1 Minnesota avg
-17% vs state
Free-lunch eligible
32.1%
vs 42.8% Minnesota avg
-25% vs state
How Tatanka Elementary Stem School compares with Minnesota and U.S. medians
Smaller classes than state median
13.1:1 - 2.7 below the Minnesota state median of 15.8:1, indicating smaller average class loads than typical schools in the state.
Tatanka Elementary Stem School is a mid-sized elementary school in Buffalo, Minnesota, enrolling 393 students.
Class sizes run a bit leaner than typical: 13.1:1 puts it in the smaller third of Minnesota schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 32.1% of students eligible for free meals.
With 393 students, its enrollment sits close to the Minnesota median campus size.
Its Resource Investment Index sits near the middle of the pack among 2,334 scored Minnesota schools.
Against 449 statewide peers matched on enrollment and economic need, it ranks mid-pack at #248.
Its student body is led by White (77%) and African American (8%) (diversity index 40/100).
Chronic absenteeism is elevated: 26.7% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Buffalo-Hanover-Montrose Schools also operates Buffalo Senior High (1,681 students) and Buffalo Community Middle (1,160 students) alongside Tatanka Elementary Stem School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
Tatanka Elementary Stem School on the metrics families compare, against Minnesota and U.S. means.
| Metric | This school | vs Minnesota | Minnesota avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.1:1 | ▼ 17% | 15.8:1 | 15.7:1 |
| Free-lunch eligible | 32.1% | ▼ 25% | 42.8% | 51.7% |
| Enrollment | 393 | top 36% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Largest group: White at 76.6% of enrollment.
Simpson diversity index - at 39.8, Tatanka Elementary Stem School is less mixed than the Minnesota school average of 42.8.
District-wide per-pupil expenditure for Buffalo-Hanover-Montrose Schools, which includes Tatanka Elementary Stem School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Buffalo Senior High | Larger | Lower economic need | Higher S:T ratio |
| Buffalo Community Middle | Larger | Lower economic need | Higher S:T ratio |
| Northwinds Elementary | Similar size | Lower economic need | Higher S:T ratio |
| Hanover Elementary | Similar size | Lower economic need | Higher S:T ratio |
| Montrose Elementary School of Innov | Similar size | Similar economic need | Similar S:T ratio |
Comparisons are relative to Tatanka Elementary Stem School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Minnesota, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Tatanka Elementary Stem School's federal record.
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Tatanka Elementary Stem School has 393 students enrolled. It is an elementary school in Buffalo, MN.
The student-teacher ratio at Tatanka Elementary Stem School is 13.1:1, which is 17% lower than the Minnesota average of 15.8:1 and 17% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
32.1% of students at Tatanka Elementary Stem School are eligible for free lunch, compared to the Minnesota average of 42.8%.
The largest demographic group at Tatanka Elementary Stem School is White at 76.6% of enrollment, in Buffalo, MN.
Tatanka Elementary Stem School has a Resource Investment Index of 37/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Tatanka Elementary Stem School ranks #4 of 4 elementary schools in Buffalo, MN. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all elementary schools in Buffalo on the city page.
Tatanka Elementary Stem School earns 37/100 on the Resource Investment Index, with class sizes near the Minnesota median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
Besides Tatanka Elementary Stem School, Buffalo-Hanover-Montrose Schools also operates Buffalo Senior High (1,681 students), Buffalo Community Middle (1,160 students), and Northwinds Elementary (419 students). See the Buffalo-Hanover-Montrose Schools district page for the complete list.
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.
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PlainSchools, “Tatanka Elementary Stem School, Buffalo MN.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/tatanka-elementary-stem-school-mn
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