Enrollment
9
South Dakota · 2024-25 NCES data
Middle school (grades 6-8) · Mission, SD
Todd County Achievement Middle School - 18
Federal NCES profile for Todd County Achievement Middle School - 18, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 61/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 467209001386
🌟 Gifted program 30
🎓 Counselors 93
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Todd County Achievement Middle School - 18 earns 61/100 on the Resource Investment Index on federal resource data. It is also less racially and ethnically mixed than most South Dakota schools.
- #1 of 5
- public schools in Mission · Resource Index
- 61
- Resource Index · Higher
- 100.0%
- free-lunch eligible
- 9
- students enrolled
By Resource Investment Index, Todd County Achievement Middle School - 18 ranks #1 of 5 public schools in Mission, SD.
School address
District: Todd County School District 66-1 · South Dakota
NCES ID 467209001386 Verify on NCES CCD record →
Free-lunch eligible
100.0%
vs 28.8% South Dakota avg
+247% vs state
What stands out at Todd County Achievement Middle School - 18
Todd County Achievement Middle School - 18 is a high-poverty, small middle school in Mission, South Dakota, enrolling 9 students.
Economic need is high: 100.0% of students qualify for free meals, 247% above the South Dakota average, a Title I-weighted population that federal funding formulas prioritise.
This is a small campus: fewer students than 94% of South Dakota schools, with 9 enrolled.
Its Resource Investment Index outscores 91% of the 691 South Dakota schools with a score on record, a top-tier result on this measure.
Its student body is predominantly American Indian / Alaska Native (100% of enrollment), among the less diverse in the state (diversity index 0/100).
Counselor coverage is strong, about 36 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding Todd County School District 66-1 spends $16,334 per pupil, 21% above the South Dakota average, a better-resourced district than most.
Its district draws 62.2% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Mission's middle schools, it stands alongside Todd County Middle School - 10 (353 students): Todd County Achievement Middle School - 18 is smaller than that campus by headcount.
Todd County School District 66-1 also operates Todd County Elementary - 16 (511 students) and Todd County High School - 01 (447 students) alongside Todd County Achievement Middle School - 18.
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
How Todd County Achievement Middle School - 18 compares
Todd County Achievement Middle School - 18 on the metrics families compare, against South Dakota and U.S. means.
| Metric | This school | vs South Dakota | South Dakota avg | U.S. avg |
|---|---|---|---|---|
| Free-lunch eligible | 100.0% | ▲ 247% | 28.8% | 51.7% |
| Enrollment | 9 | top 94% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
9
Bigger than 1% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
100.0%
free-lunch eligible
- 247% above the South Dakota average of 28.8%
Well above the 40% Title I schoolwide threshold, among the highest-need profiles in the state; federal funds support the whole school, not individual students.
Funding equity
$16,334
per pupil, district-wide
- above South Dakota avg of $13,477
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors0.3 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
American Indian / Alaska Native 100.0%
Largest group: American Indian / Alaska Native at 100.0% of enrollment.
Student-body diversity index 0.0/100
Simpson diversity index - at 0.0, Todd County Achievement Middle School - 18 is less mixed than the South Dakota school average of 27.6.
Programs
Funding & spending
District-wide per-pupil expenditure for Todd County School District 66-1, which includes Todd County Achievement Middle School - 18.
$16,334
Per student
+21%
vs South Dakota
Avg $13,477
-2%
vs U.S.
Avg $16,593
Revenue mix
Local 5.9%
State 31.9%
Federal 62.2%
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.
How Todd County Achievement Middle School - 18 Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Todd County Elementary - 16 | Larger | Similar economic need | No ratio data |
| Todd County High School - 01 | Larger | Similar economic need | No ratio data |
| Todd County Middle School - 10 | Larger | Similar economic need | No ratio data |
| Rosebud Elementary - 04 | Larger | Similar economic need | No ratio data |
| He Dog Elementary - 05 | Larger | Similar economic need | No ratio data |
Comparisons are relative to Todd County Achievement Middle School - 18's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 511
- Students per teacher
- 11.6:1
- Resource Index
- 33/100
- Enrollment
- 447
- Students per teacher
- 12.4:1
- Resource Index
- 50/100
- Enrollment
- 353
- Students per teacher
- 13.6:1
- Resource Index
- 38/100
- Enrollment
- 292
- Students per teacher
- 15.4:1
- Resource Index
- 28/100
- Enrollment
- 189
- Students per teacher
- 17.2:1
- Resource Index
- 21/100
Similar middle schools in Mission
1 comparable middle schools (grades 6-8) serving the same city.
Similar middle schools statewide
Matched by enrollment size and by staffing ratio across all of South Dakota, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Todd County Achievement Middle School - 18's federal record.
- Compare Todd County Achievement Middle School - 18 against another school. Compare schools
- Todd County School District 66-1's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Todd County Achievement Middle School - 18
How many students attend Todd County Achievement Middle School - 18?
Todd County Achievement Middle School - 18 has 9 students enrolled. It is a middle school in Mission, SD.
What percentage of students receive free lunch at Todd County Achievement Middle School - 18?
100.0% of students at Todd County Achievement Middle School - 18 are eligible for free lunch, compared to the South Dakota average of 28.8%.
What is the racial and ethnic makeup of Todd County Achievement Middle School - 18?
The largest demographic group at Todd County Achievement Middle School - 18 is American Indian / Alaska Native at 100.0% of enrollment, in Mission, SD.
What is the Resource Investment Index for Todd County Achievement Middle School - 18?
Todd County Achievement Middle School - 18 has a Resource Investment Index of 61/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
How does Todd County Achievement Middle School - 18 rank among public schools in Mission?
By Resource Investment Index, Todd County Achievement Middle School - 18 ranks #1 of 5 public schools in Mission, SD. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mission on the city page.
Is Todd County Achievement Middle School - 18 a good school?
Todd County Achievement Middle School - 18 earns 61/100 on the Resource Investment Index on federal resource data. It is also less racially and ethnically mixed than most South Dakota schools. 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.
What other schools are in Todd County School District 66-1?
Besides Todd County Achievement Middle School - 18, Todd County School District 66-1 also operates Todd County Elementary - 16 (511 students), Todd County High School - 01 (447 students), and Todd County Middle School - 10 (353 students). See the Todd County School District 66-1 district page for the complete list.
Related tools
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.