#1 Fastest-Growing Private Schools in Black Hawk County, IA
Cedar Valley Catholic School
Parish school · Grades Pre-K–12
Enrollment up 150% in about a decade
Waterloo, IA
BOverall grade733 students13 students per teacher
2026 lists
Fastest-Growing Private Schools in Black Hawk County, IA
Private schools in Black Hawk County, IA whose enrollment has grown the most over the past decade. Top 5 of 5 schools.
#2 Fastest-Growing Private Schools in Black Hawk County, IA
Waterloo Christian School
Christian school (nondenominational) · Grades Pre-K–12
Enrollment up 120% in about a decade
Waterloo, IA
B-Overall grade312 students15 students per teacher
#3 Fastest-Growing Private Schools in Black Hawk County, IA
Bosco Catholic School System
Parish school · Grades Pre-K–12
Enrollment up 97% in about a decade
Gilbertville, IA
BOverall grade299 students10 students per teacher
#4 Fastest-Growing Private Schools in Black Hawk County, IA
Valley Lutheran School
Lutheran (Missouri Synod) school · Grades K–12
Enrollment up 46% in about a decade
Cedar Falls, IA
BOverall grade146 students9 students per teacher
#5 Fastest-Growing Private Schools in Black Hawk County, IA
Immaculate Conception-St. Joseph School
Parish school · Grades K–12
Enrollment up 40% in about a decade
Gilbertville, IA
B-Overall grade280 students13 students per teacher
From official public records, updated October 2026.