#25 Best Private Schools in the Archdiocese of Dubuque
Cedar Valley Catholic School System
Parish school · Grades Pre-K–12
The largest Catholic school in Waterloo
Waterloo, IA
B-Overall grade733 students13 students per teacher
2026 lists
Best Private Schools in the Archdiocese of Dubuque
Private schools in the Archdiocese of Dubuque with the highest overall grades. Top 37 of 37 schools.
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.