Is private school cheaper in Rapid City or Waterbury?

Rapid City has lower average private school tuition at $5,800/year vs $20,500/year in Waterbury. That's $14,700/year less, or $191,100 over a K-12 career.

How much can I save on private school by choosing Rapid City over Waterbury?

Average tuition in Rapid City is $14,700/year less than Waterbury. Over 13 years (K-12), that's $191,100 per child. Religious schools are the most affordable option in both cities: $4,100/year in Rapid City, $11,300/year in Waterbury.

How do Rapid City and Waterbury private school costs compare to the national average?

The national average private school tuition is $12,350/year. Rapid City averages $5,800/year ($6,550 below average). Waterbury averages $20,500/year ($8,150 above average).

Private School Cost: Rapid City vs Waterbury

Rapid City averages $14,700/year less for private school (253% cheaper). Over K-12, that's $191,100 per child.

Bottom Line

Rapid City is the cheaper city for private school. Average tuition: $5,800/year vs $20,500/year in Waterbury. Religious schools run $4,100/year on the low end.

Rapid City

$5,800

avg tuition/year

$6,550 below national avg

Lower cost

Waterbury

$20,500

avg tuition/year

$8,150 above national avg

Tuition by School Type & Grade

Category	Rapid City	Waterbury	Difference
All Schools (Average)	$5,800/yr	$20,500/yr	-$14,700
Religious Schools	$4,100/yr	$11,300/yr	-$7,200
Independent/Prep	$11,800/yr	$40,800/yr	-$29,000
Elementary (K-5)	$4,900/yr	$17,400/yr	-$12,500
Middle School (6-8)	$5,800/yr	$20,500/yr	-$14,700
High School (9-12)	$7,000/yr	$24,600/yr	-$17,600

K-12 Total Cost (13 Years)

Rapid City

$75,400

Waterbury

$266,500

Choosing Rapid City saves $191,100 per child over a full K-12 career. Two kids? That's $382,200.

Sample Schools

Rapid City

Rapid City Christian Schools

Christian · K–12 · $8,600-$10,800/yr

St. Thomas More High School (Rapid City)

Catholic · 9–12 · $8,400/yr

Waterbury

Holy Cross High School (Waterbury)

Catholic · 9–12 · $14,800/yr

Crosby High School (Waterbury)

Independent · 9–12 · $9,800/yr

Full Rapid City breakdown → Full Waterbury breakdown →

South Dakota private school costs Connecticut private school costs

About This Comparison

This comparison uses NCES Private School Universe Survey data, adjusted for metro-level cost-of-living differences. "Average tuition" blends religious schools (Catholic, Christian) and independent day/prep schools. Religious schools typically cost 60-70% less than independent schools in the same city.

Grade-level estimates (elementary, middle, high) are derived from the city average using national grade-level multipliers. High school tuition typically runs 15-25% above the city average; elementary runs 10-20% below.