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Home > Find Schools > School Rankings > Average Student Size > South Dakota

Largest South Dakota Private Schools

Name: South Dakota Average Students Per School Trends (All Private Schools)
Creator: Private School Review
License: https://www.privateschoolreview.com/terms

The average private school in South Dakota has 167 students (2026-27).

The largest private school in South Dakota is Sioux Falls Christian Schools, with 1,615 students.

Quick Facts (26-27)

# SD Schools Ranked: 89
Top 20 Range (Students): 234–1,615
SD School Avg.: 167
National School Avg.: 175

Quick Facts (26-27)

# SD Schools Ranked: 89
Top 20 Range (Students): 234–1,615
SD School Avg.: 167
National School Avg.: 175

South Dakota Average Students Per School (Trends)

Showing 2016–2025. Full 11-year historical data available below ↓

Total Growth: +8.5% (+13 since 2016)

View Data

Year	National avg	South Dakota (SD) avg	YoY Change (#)	YoY Change (%)
2025	179	166	▲ +3	▲ +1.8%
2024	172	163	▲ +6	▲ +3.8%
2023	174	157	▼ -10	▼ -6.0%
2022	185	167	▲ +5	▲ +3.1%
2021	180	162	▲ +9	▲ +5.9%
2020	171	153	▼ -7	▼ -4.4%
2019	175	160	▲ +3	▲ +1.9%
2018	172	157	▲ +3	▲ +1.9%
2017	180	154	▲ +1	▲ +0.7%
2016	178	153	▲ +5	▲ +3.4%
2015	167	148	—	—

Download Table: Download as CSV | Download as XML | Download as JSON

Source: National Center for Education Statistics (NCES) Private School Universe Survey (PSS), direct school submissions, and proprietary website research and analysis by Private School Review.

Note: Data may not be displayed on any public-facing website or service that replicates or resembles a school search or review portal without prior written permission. See our Terms of Service.

Show school map — South Dakota (students range: 234–1,615, avg 167)

School Size Range: 157 1,615 Avg. School Size: 329

Frequently Asked Questions

What is the South Dakota average private schools student size?

The South Dakota average private schools student size is 167 for 2026-27.

What are the private schools with the largest student size in South Dakota?

The top ranked private schools in South Dakota include Sioux Falls Christian Schools, O'gorman High School and St. Francis Indian School.

What is private high school and private elementary school with the largest student size in South Dakota?

The private high school with the largest student size in South Dakota is Sioux Falls Christian Schools, with a value of 1615. The private elementary school with the largest student size is Sioux Falls Christian Schools, with a value of 1615.

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