#1 Best Private Schools in the Diocese of Gary
La Lumiere School
Independent Catholic school · Grades 9–12
The only Catholic school in Laporte
Laporte, IN
A+Overall grade169 students7 students per teacher
2026 lists
Best Private Schools in the Diocese of Gary
Private schools in the Diocese of Gary with the highest overall grades. Top 18 of 18 schools.
#2 Best Private Schools in the Diocese of Gary
Marquette Catholic High School
Diocesan school · Grades 9–12
The largest Catholic school in Michigan City
Michigan City, IN
A+Overall grade224 students11 students per teacher
#3 Best Private Schools in the Diocese of Gary
St. Stanislaus School
Diocesan school · Grades Pre-K–8
Smaller classes than 93% of Catholic schools in Indiana
Michigan City, IN
A+Overall grade98 students8 students per teacher
#4 Best Private Schools in the Diocese of Gary
Andrean High School
Diocesan school · Grades 9–12
98% of graduates go to four-year colleges
Merrillville, IN
A+Overall grade455 students14 students per teacher
#5 Best Private Schools in the Diocese of Gary
Queen of All Saints School
Parish school · Grades Pre-K–8
One of the most diverse private schools in Indiana
Michigan City, IN
A+Overall grade170 students13 students per teacher
#6 Best Private Schools in the Diocese of Gary
St. Michael Catholic School
Parish school · Grades Pre-K–8
The only Catholic school in Schererville
Schererville, IN
A+Overall grade202 students11 students per teacher
#7 Best Private Schools in the Diocese of Gary
Our Lady of Grace School
Parish school · Grades Pre-K–8
The only Catholic school in Highland
Highland, IN
AOverall grade144 students14 students per teacher
#8 Best Private Schools in the Diocese of Gary
Nativity of Our Savior
Diocesan school · Grades Pre-K–8
Serving families in Portage since at least 2011
Portage, IN
AOverall grade163 students15 students per teacher
#9 Best Private Schools in the Diocese of Gary
St. John Bosco Elementary School
Diocesan school · Grades Pre-K–8
Serving families in Hammond since at least 2011
Hammond, IN
B+Overall grade226 students15 students per teacher
#10 Best Private Schools in the Diocese of Gary
St. Paul Catholic School
Diocesan school · Grades Pre-K–8
The only Catholic school in Valparaiso
Valparaiso, IN
B+Overall grade226 students15 students per teacher
#11 Best Private Schools in the Diocese of Gary
St. Thomas More School
Diocesan school · Grades Pre-K–8
Serving families in Munster since at least 2011
Munster, IN
B+Overall grade468 students16 students per teacher
#12 Best Private Schools in the Diocese of Gary
St. John Evangelist School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 16% since 2011–12
Saint John, IN
B+Overall grade371 students14 students per teacher
#13 Best Private Schools in the Diocese of Gary
Aquinas Catholic Community School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 44% since 2011–12
Merrillville, IN
B+Overall grade212 students17 students per teacher
#14 Best Private Schools in the Diocese of Gary
St. Mary School
Parish school · Grades Pre-K–8
Serving families in Griffith since at least 2011
Griffith, IN
B+Overall grade193 students18 students per teacher
#15 Best Private Schools in the Diocese of Gary
St. Stanislaus School
Diocesan school · Grades Pre-K–8
A Catholic school in East Chicago
East Chicago, IN
BOverall grade157 students13 students per teacher
#16 Best Private Schools in the Diocese of Gary
Notre Dame Catholic School
Diocesan school · Grades Pre-K–8
Serving families in Michigan City since at least 2011
Michigan City, IN
BOverall grade206 students18 students per teacher
#17 Best Private Schools in the Diocese of Gary
St. Patrick Elementary School
Diocesan school · Grades Pre-K–8
A Catholic school in Chesterton
Chesterton, IN
B-Overall grade233 students17 students per teacher
#18 Best Private Schools in the Diocese of Gary
St. Casimir School
Diocesan school · Grades Pre-K–8
Growing: enrollment up 38% since 2011–12
Hammond, IN
B-Overall grade340 students19 students per teacher
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.