#25 Best Private Schools in the Archdiocese of Chicago
Altus Academy
Independent Catholic school · Grades 1–8
Smaller classes than 89% of Catholic schools in Illinois
Chicago, IL
A+Overall grade76 students8 students per teacher
2026 lists
Best Private Schools in the Archdiocese of Chicago
Private schools in the Archdiocese of Chicago with the highest overall grades. Top 50 of 158 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.