Slack Elementary
🇺🇸 Official data · 2025Ranchester, Wyoming 82839 · Sheridan County School District #1
About Slack Elementary
Slack Elementary is a public elementary located in Ranchester, in the Sheridan County School District #1 school district of Wyoming, United States. It caters for Grades K–5. In 2025 it enrolled 29 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 51.5 out of 100, placing it in the top 50% of elementary schools in United States. Its strongest component is reading proficiency (89th percentile), and its weakest is math proficiency (14th percentile).
Other published figures: enrollment 29.
There are 3 schools in Ranchester; Slack Elementary ranks 3rd of 3 scored schools there.
Success Index (US) breakdown
Each component is a percentile against elementary schools across United States.
- Math proficiency (30%)24.5%
- Reading proficiency (30%)75%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)14.5
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Slack Elementary by the official sources.
- Enrollment
- 29
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 14.5
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 75%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 24.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Slack Elementary
Closest schools by straight-line distance, with their Success Index (US).
Tongue River Elementary
Ranchester · Public elementary · Grades K–5
255 students · 4 m away
Tongue River Middle School
Ranchester · Public middle · Grades 6–8
152 students · 1.4 km away
Tongue River High School
Dayton · Public high · Grades 9–12
276 students · 9.7 km away
Similar schools
Public elementary schools in Wyoming with a comparable Enrollment.
Desert Elementary
Wamsutter · Public elementary · Grades K–6
27 students
Alta Elementary
Alta · Public elementary · Grades K–5
33 students
Rock River Elementary
Rock River · Public elementary · Grades PK–6
35 students
4-J Elementary School
Gillette · Public elementary · Grades K–6
35 students
Story Elementary
Story · Public elementary · Grades K–5
23 students
La Barge Elementary
LaBarge · Public elementary · Grades K–5
38 students
Frequently asked questions
Is Slack Elementary a good school?
Slack Elementary has a Success Index (US) of 51.5 out of 100 (Top 50% of elementary schools in United States). The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Slack Elementary rank in Wyoming?
Slack Elementary is not ranked: schools need a published Enrollment and at least 60 students to be ranked.
How many students attend Slack Elementary?
Slack Elementary had 29 students in 2025.
Is Slack Elementary a elementary school or a high school?
Slack Elementary is classified as a elementary covering Grades K–5. It is a public school.
What other schools are near Slack Elementary?
There are 3 schools within 15 km of Slack Elementary; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.