Slack Elementary School

562 County Road 144
Ranchester, WY 82839
(School attendance zone shown in map)
: 
3/
10
Bottom 50%
Serving 29 students in grades Kindergarten-5, Slack Elementary School ranks in the bottom 50% of all schools in Wyoming for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 21-39% (which is lower than the Wyoming state average of 49%). The percentage of students achieving proficiency in reading/language arts is <50% (which is lower than the Wyoming state average of 53%).
The student-teacher ratio of 15:1 is higher than the Wyoming state level of 11:1.
Minority enrollment is 17% of the student body (majority Hispanic), which is lower than the Wyoming state average of 25% (majority Hispanic).

Quick Facts (26-27)

  • Grades: Kindergarten-5
  • Enrollment: 29 students
  • Student-Teacher Ratio: 15:1
  • Minority Enrollment: 17%
  • : Bottom 50% in WY
  • : 21-39% (Btm 50%)
  • : <50% (Btm 50%)
  • : ≥50% (Top 1%)
  • : Slack Elementary's attendance zone encompasses the entire Ranchester, WY school district, covering approximately 1006.9 square miles. Families typically have a 20-30 minute drive to the school, with an average distance of 23.6 miles to the edge of the zone and a maximum distance of 39.3 miles.
  • Source: National Center for Education Statistics (NCES), WY Dept. of Education

School Overview

Slack Elementary School's student population of 29 students has declined by 38% over five school years.
The teacher population of 2 teachers has stayed relatively flat over five school years.
Grades Offered
Grades Kindergarten-5
(No virtual instruction)
Total Students
29 students

Showing 2016–2025. Full 39-year historical data available below ↓

Total Classroom Teachers
2 teachers

Showing 2016–2025. Full 39-year historical data available below ↓

Year Founded
2025
School Calendar
School Motto
Individual Success Through Education

School Rankings

Slack Elementary School ranks within the bottom 50% of all 303 schools in Wyoming (based off of combined math and reading proficiency testing data).
The diversity score of Slack Elementary School is 0.29, which is less than the diversity score at state average of 0.41. The school's diversity has stayed relatively flat over five school years.
This School
State Level (WY)
#242 out of 303 schools
(Bottom 50%)
21-39%
49%
<50%
53%
(20-21)
≥50%
47%
Student-Teacher Ratio
15:1
11:1

Showing 2016–2025. Full 39-year historical data available below ↓

Hispanic
14%
16%
White
83%
75%

Showing 2016–2025. Full 35-year historical data available below ↓

Two or more races
3%
4%
All Ethnic Groups
17%
0.29

Showing 1993–2025. Full 35-year historical data available below ↓

(21-22)
13.8%
37%
Participates in the National School Lunch Program (NSLP)
Yes
Eligible for Free Lunch
3%
34%

Showing 2000–2025. Full 34-year historical data available below ↓

Eligible for Reduced Lunch
10%
7%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WY Dept. of Education

Frequently Asked Questions

What is Slack Elementary School's ranking?
Slack Elementary School is ranked #242 out of 303 schools, which ranks it among the bottom 50% of public schools in Wyoming.
What percent of students have achieved state testing proficiency in math and reading?
21-39% of students have achieved math proficiency (compared to the 49% WY state average), while <50% of students have achieved reading proficiency (compared to the 53% WY state average).
How many students attend Slack Elementary School?
29 students attend Slack Elementary School.
What is the racial composition of the student body?
83% of Slack Elementary School students are White, 14% of students are Hispanic, and 3% of students are Two or more races.
What is the student-teacher ratio of Slack Elementary School?
Slack Elementary School has a student ration of 15:1, which is higher than the Wyoming state average of 11:1.
What grades does Slack Elementary School offer ?
Slack Elementary School offers enrollment in grades Kindergarten-5 (No virtual instruction).
What school district is Slack Elementary School part of?
Slack Elementary School is part of Sheridan County School District #1.

School Reviews

Review Slack Elementary School. Reviews should be a few sentences in length. Please include any comments on:

  • Quality of academic programs, teachers, and facilities
  • Availability of music, art, sports and other extracurricular activities
Rate this school:

Recent Articles

Does Your Public School Have Enough Nurses?
Does Your Public School Have Enough Nurses?
Learn whether your public school has enough nurses, how staffing affects student safety, chronic illness management, emergency care, and what parents should ask about available school health services today.
When Your Child Falls Behind Without Special Education
When Your Child Falls Behind Without Special Education
Learn what happens when your child falls behind academically but doesn't qualify for special education, including available school interventions, parent rights, tutoring options, and practical strategies for securing support.
When Your Child Finishes Classwork Faster Than Others
When Your Child Finishes Classwork Faster Than Others
Discover why some children finish classwork faster than classmates, how teachers manage early finishers, and what parents can do to ensure meaningful learning, appropriate challenges, and continued academic growth.

Quick Facts (26-27)

  • Grades: Kindergarten-5
  • Enrollment: 29 students
  • Student-Teacher Ratio: 15:1
  • Minority Enrollment: 17%
  • : Bottom 50%
  • : 21-39% (Btm 50%)
  • : <50% (Btm 50%)
  • : ≥50% (Top 1%)
  • : Slack Elementary's attendance zone encompasses the entire Ranchester, WY school district, covering approximately 1006.9 square miles. Families typically have a 20-30 minute drive to the school, with an average distance of 23.6 miles to the edge of the zone and a maximum distance of 39.3 miles.
  • Source: National Center for Education Statistics (NCES), WY Dept. of Education

Quick Links