#1 Private Schools with the Smallest Classes in Denton County, TX
Castle Hills Montessori
Montessori school · Grades Pre-K–3
2.3 students per teacher
Carrollton, TX
AOverall grade40 students2 students per teacher
2026 lists
Private Schools with the Smallest Classes in Denton County, TX
Private schools in Denton County, TX with the fewest students per teacher (not counting preschools and special education schools). Top 13 of 13 schools.
#2 Private Schools with the Smallest Classes in Denton County, TX
The Koan School
Alternative school · Grades K–12
4.4 students per teacher
Denton, TX
A+Overall grade81 students4 students per teacher
#3 Private Schools with the Smallest Classes in Denton County, TX
The Clariden School
Independent school · Grades Pre-K–12
5.4 students per teacher
Southlake, TX
A+Overall grade153 students5 students per teacher
#4 Private Schools with the Smallest Classes in Denton County, TX
Immaculate Conception Catholic School
Parish school · Grades Pre-K–8
8.4 students per teacher
Denton, TX
A+Overall grade137 students8 students per teacher
#5 Private Schools with the Smallest Classes in Denton County, TX
Liberty Christian School
Religious school · Grades Pre-K–12
9.3 students per teacher
Argyle, TX
AOverall grade1,183 students9 students per teacher
#6 Private Schools with the Smallest Classes in Denton County, TX
Lakeland Christian Academy
Baptist school · Grades Pre-K–10
9.4 students per teacher
Lewisville, TX
AOverall grade171 students9 students per teacher
#7 Private Schools with the Smallest Classes in Denton County, TX
Harvest Christian Academy, Lantana Campus
Christian school (nondenominational) · Grades Pre-K–12
9.9 students per teacher
Bartonville, TX
B-Overall grade174 students10 students per teacher
#8 Private Schools with the Smallest Classes in Denton County, TX
Prestonwood Christian Academy
Christian school (nondenominational) · Grades Pre-K–12
11.9 students per teacher
Plano, TX
AOverall grade1,945 students12 students per teacher
#9 Private Schools with the Smallest Classes in Denton County, TX
St. Martin De Porres Catholic School
Parish school · Grades Pre-K–8
12.1 students per teacher
Prosper, TX
B+Overall grade290 students12 students per teacher
#10 Private Schools with the Smallest Classes in Denton County, TX
Connections Wellness Group
Alternative school · Grades 5–12
12.7 students per teacher
Denton, TX
BOverall grade114 students13 students per teacher
#11 Private Schools with the Smallest Classes in Denton County, TX
Denton Calvary Academy
Christian school (nondenominational) · Grades K–12
15.6 students per teacher
Denton, TX
B-Overall grade266 students16 students per teacher
#12 Private Schools with the Smallest Classes in Denton County, TX
Icomprehend Academy
Independent school · Grades K–12
23.2 students per teacher
Lewisville, TX
B-Overall grade580 students23 students per teacher
#13 Private Schools with the Smallest Classes in Denton County, TX
Lighthouse Christian Academy
Christian school (nondenominational) · Grades K–12
539.5 students per teacher
Lewisville, TX
B-Overall grade4,316 students
From official public records, updated October 2026.