Is private school cheaper in Joliet or Sunnyvale?

Joliet has lower average private school tuition at $12,100/year vs $21,600/year in Sunnyvale. That's $9,500/year less, or $123,500 over a K-12 career.

How much can I save on private school by choosing Joliet over Sunnyvale?

Average tuition in Joliet is $9,500/year less than Sunnyvale. Over 13 years (K-12), that's $123,500 per child. Religious schools are the most affordable option in both cities: $7,600/year in Joliet, $14,100/year in Sunnyvale.

How do Joliet and Sunnyvale private school costs compare to the national average?

The national average private school tuition is $12,350/year. Joliet averages $12,100/year ($250 below average). Sunnyvale averages $21,600/year ($9,250 above average).

Private School Cost: Joliet vs Sunnyvale

Joliet averages $9,500/year less for private school (79% cheaper). Over K-12, that's $123,500 per child.

Bottom Line

Joliet is the cheaper city for private school. Average tuition: $12,100/year vs $21,600/year in Sunnyvale. Religious schools run $7,600/year on the low end.

Joliet

$12,100

avg tuition/year

$250 below national avg

Lower cost

Sunnyvale

$21,600

avg tuition/year

$9,250 above national avg

Tuition by School Type & Grade

Category	Joliet	Sunnyvale	Difference
All Schools (Average)	$12,100/yr	$21,600/yr	-$9,500
Religious Schools	$7,600/yr	$14,100/yr	-$6,500
Independent/Prep	$27,900/yr	$42,100/yr	-$14,200
Elementary (K-5)	$10,300/yr	$18,400/yr	-$8,100
Middle School (6-8)	$12,100/yr	$21,600/yr	-$9,500
High School (9-12)	$14,500/yr	$25,900/yr	-$11,400

K-12 Total Cost (13 Years)

Joliet

$157,300

Sunnyvale

$280,800

Choosing Joliet saves $123,500 per child over a full K-12 career. Two kids? That's $247,000.

Sample Schools

Joliet

Joliet Catholic Academy

Catholic · 9–12 · $14,800/yr

Plainfield Academy

Christian · K–12 · $9,400-$11,800/yr

Sunnyvale

Archbishop Mitty High School

Catholic · 9–12 · $26,800/yr

Stratford School (Sunnyvale)

Independent · PK–8 · $24,200-$27,600/yr

Full Joliet breakdown → Full Sunnyvale breakdown →

Illinois private school costs California 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.