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Schools›South Dakota›Mission
SCHOOL COMMUNITY·TODD COUNTY SCHOOL DISTRICT 66-1·NCES 467209001386

Todd County Achievement Middle School - 18

181 W Denver St, Mission, SD 57555 · (605) 856-3544 · Todd County
GRADES 06–08MIDDLE43-RURALTITLE IALTERNATIVE EDUCATION SCHOOL9 STUDENTS
Enrollment
9
Middle
DISTRICT 181 · STATE 187
Student : Teacher
10.0:1
1 FTE teachers
DISTRICT 11.7:1 · STATE 13.4:1
Free / Reduced Lunch
100%
9 students
DISTRICT 100% · STATE 42%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 8
9
Student demographics
Native American
9100%
DISTRICT 94% · STATE 14%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
333%
Female
667%

Discussions

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BeatsExpectations

Not computed for this school
BeatsExpectations is not computed for specialized-population schools (schools for the deaf or blind, therapeutic and behavioral-health placements, juvenile-justice and alternative-education settings, and similar). State ELA/Math proficiency rates are not a comparable metric for these populations, so a demographically-adjusted residual against general-enrollment peers would be misleading. About the methodology →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
9
-17 (-65%) vs 2017
Student : Teacher
10.0:1
was 18.6:1
% White
0%
was 0%
% Hispanic
0%
was 0%
% Black
0%
was 0%
% Asian
0%
was 0%
Source: NCES Common Core of Data

About Todd County Achievement Middle School - 18

Todd County Achievement Middle School - 18 is one of the minimally staffed middle-grades schools in Mission, South Dakota, run under Todd County School District 66-1, with 9 students on its rolls from grades 6 through 8. Enrollment runs roughly 95% smaller than the state mean of about 187.

Todd County School District 66-1 runs 11 schools in total, collectively educating 1,980 students. Todd County Achievement Middle School - 18 is one of those campuses.

In terms of who attends, Todd County Achievement Middle School - 18 shows that the student body is overwhelmingly Native American (100%).

Looking at the economic backdrop, The school reports having 1 full-time-equivalent teachers, for a student-teacher ratio near 10.0:1. Statewide, the average ratio sits near 13.4:1, putting Todd County Achievement Middle School - 18 tighter than the state norm the norm. Around 100% of the student body qualifies for free or reduced-price meals, a number frequently used as a low-income enrollment indicator.

In the surrounding community, census data for Todd County shows median household income runs about $42,075, 17% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 42%. Across Todd County's 13 public schools (combined enrollment of about 2,610 students), Todd County Achievement Middle School - 18 is one campus in the mix.

Nearest neighbor: Todd County Achievement High School - 17, around 0.0 miles off. Counting just inside five miles, 4 other public schools cluster around Todd County Achievement Middle School - 18.

Todd County Achievement Middle School - 18 operates from an outlying location.

Trend over the last 7 years. Looking back 7 years, enrollment at Todd County Achievement Middle School - 18 has decreased 65%, going from 26 students in 2018 to 9 in 2025. Class-load math has fell: from 18.6:1 in 2018 to 10.0:1 in 2025.

In the discussion threads here, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

Todd County at a glance

View full county profile
Population
9,244
Census ACS
Median income
$42,075
Household, ACS
Bachelor's+
17%
Adults 25+
Poverty rate
42%
Below federal line
Schools in county
13
2,610 students

Quick facts

School name
Todd County Achievement Middle School - 18
District
Todd County School District 66-1
Address
181 W Denver St, Mission, SD 57555
Phone
(605) 856-3544
County
Todd County
Level
Middle
Grade range
06–08
Total enrollment
9
Teachers (FTE)
1
Student–teacher ratio
10.0:1
Free/Reduced lunch
9 (100%)
Locale
43-Rural: Remote
NCES ID
467209001386
Charter school
No
Virtual school
No

Related schools

Other schools in Todd County School District 66-1
Other schools in Mission
Nearby schools

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 enrolls approximately 9 students in grades 06-08.
What age range does Todd County Achievement Middle School - 18 serve?
Todd County Achievement Middle School - 18 serves students from grade 06 through grade 08.
What is the student-teacher ratio at Todd County Achievement Middle School - 18?
The student-to-teacher ratio at Todd County Achievement Middle School - 18 is approximately 10.0:1 (1 FTE teachers).
What is the racial breakdown of students at Todd County Achievement Middle School - 18?
At Todd County Achievement Middle School - 18, the student body is approximately .
Is Todd County Achievement Middle School - 18 public or private?
Todd County Achievement Middle School - 18 is a public K-12 school, overseen by Todd County School District 66-1.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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