#1 Largest Private Schools in Black Hawk County, IA
Cedar Valley Catholic School
Parish school · Grades Pre-K–12
733 students
Waterloo, IA
BOverall grade733 students13 students per teacher
2026 lists
Largest Private Schools in Black Hawk County, IA
The private schools in Black Hawk County, IA with the most students. Top 10 of 10 schools.
#2 Largest Private Schools in Black Hawk County, IA
Cedar Valley Catholic School System
Parish school · Grades Pre-K–12
733 students
Waterloo, IA
B-Overall grade733 students13 students per teacher
#3 Largest Private Schools in Black Hawk County, IA
St. Edward School
Diocesan school · Grades K–5
321 students
Waterloo, IA
AOverall grade321 students12 students per teacher
#4 Largest Private Schools in Black Hawk County, IA
Waterloo Christian School
Christian school (nondenominational) · Grades Pre-K–12
312 students
Waterloo, IA
B-Overall grade312 students15 students per teacher
#5 Largest Private Schools in Black Hawk County, IA
Bosco Catholic School System
Parish school · Grades Pre-K–12
299 students
Gilbertville, IA
BOverall grade299 students10 students per teacher
#6 Largest Private Schools in Black Hawk County, IA
Immaculate Conception-St. Joseph School
Parish school · Grades K–12
280 students
Gilbertville, IA
B-Overall grade280 students13 students per teacher
#7 Largest Private Schools in Black Hawk County, IA
St. Patrick Catholic School
Diocesan school · Grades Pre-K–8
176 students
Cedar Falls, IA
A+Overall grade176 students10 students per teacher
#8 Largest Private Schools in Black Hawk County, IA
Blessed Maria Assunta Pallotta
Diocesan school · Grades 6–8
175 students
Waterloo, IA
A+Overall grade175 students11 students per teacher
#9 Largest Private Schools in Black Hawk County, IA
Valley Lutheran School
Lutheran (Missouri Synod) school · Grades K–12
146 students
Cedar Falls, IA
BOverall grade146 students9 students per teacher
#10 Largest Private Schools in Black Hawk County, IA
Royal Legacy Christian Academy
Christian school (nondenominational) · Grades Pre-K–6
36 students
Waterloo, IA
A-Overall grade36 students8 students per teacher
From official public records, updated October 2026.