Enrollment
14
Missouri · 2024-25 NCES data
Other / mixed grade configuration · Poplar Bluff, MO
Federal NCES profile for Sierra-Osage Treatment Ctr., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
The verdict
Sierra-Osage Treatment Ctr. earns 51/100 on the Resource Investment Index, with class sizes smaller than 94% of Missouri schools. It is also one of the smallest schools in Missouri.
Sierra-Osage Treatment Ctr. has class sizes smaller than 94% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Sierra-Osage Treatment Ctr. ranks #2 of 4 schools in Poplar Bluff, MO.
NCES ID 290000901185 Verify on NCES CCD record →
Enrollment
14
Missouri · 2024-25 NCES data
Teachers (FTE)
2.0
Federal CCD staff survey
Students per teacher
7:1
vs 12.8:1 Missouri avg
-45% vs state
Free-lunch eligible
85.0%
vs 46.1% Missouri avg
+84% vs state
How Sierra-Osage Treatment Ctr. compares with Missouri and U.S. medians
Smaller classes than state median
7:1 - 5.8 below the Missouri state median of 12.8:1, indicating smaller average class loads than typical schools in the state.
Sierra-Osage Treatment Ctr. is a high-poverty, small combined-grade school in Poplar Bluff, Missouri, enrolling 14 students.
Classes run notably small here: at 7:1, Sierra-Osage Treatment Ctr. is leaner than roughly 94% of Missouri schools and 45% under the state's 12.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 85.0% of students eligible for free meals.
This is a small campus: fewer students than 98% of Missouri schools, with 14 enrolled.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 18 statewide peers matched on enrollment and economic need, it ranks mid-pack at #10.
Its student body is led by White (79%) and African American (21%) (diversity index 34/100).
Division of Youth Service also operates W. E. Sears Youth Ctr. (54 students) and Watkins Mill Park Camp (46 students) alongside Sierra-Osage Treatment Ctr..
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
Sierra-Osage Treatment Ctr. on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 7:1 | ▼ 45% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 85.0% | ▲ 84% | 46.1% | 51.7% |
| Enrollment | 14 | top 98% | - | - |
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 78.6% of enrollment.
Simpson diversity index - at 33.6, Sierra-Osage Treatment Ctr. is more mixed than the Missouri school average of 31.0.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| W. E. Sears Youth Ctr. | Larger | Similar economic need | Lower S:T ratio |
| Watkins Mill Park Camp | Larger | Similar economic need | Higher S:T ratio |
| Fulton Treatment Ctr. | Larger | Similar economic need | Higher S:T ratio |
| Waverly Regional Youth Ctr. | Larger | Similar economic need | Higher S:T ratio |
| Mt. Vernon Treatment Ctr. | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Sierra-Osage Treatment Ctr.'s own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Sierra-Osage Treatment Ctr.'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.
Sierra-Osage Treatment Ctr. has 14 students enrolled. It is a public school in Poplar Bluff, MO.
The student-teacher ratio at Sierra-Osage Treatment Ctr. is 7:1, which is 45% lower than the Missouri average of 12.8:1 and 55% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
85.0% of students at Sierra-Osage Treatment Ctr. are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Sierra-Osage Treatment Ctr. is White at 78.6% of enrollment, in Poplar Bluff, MO.
Sierra-Osage Treatment Ctr. has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Sierra-Osage Treatment Ctr. ranks #2 of 4 schools in Poplar Bluff, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Poplar Bluff on the city page.
Sierra-Osage Treatment Ctr. earns 51/100 on the Resource Investment Index, with class sizes smaller than 94% of Missouri schools. It is also one of the smallest schools in Missouri. 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 Sierra-Osage Treatment Ctr., Division of Youth Service also operates W. E. Sears Youth Ctr. (54 students), Watkins Mill Park Camp (46 students), and Fulton Treatment Ctr. (30 students). See the Division of Youth Service 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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Last updated:
PlainSchools, “Sierra-Osage Treatment Ctr., Poplar Bluff MO.” 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/sierra-osage-treatment-ctr-mo
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