#1 Largest Private Schools in Bellingham, WA
The Franklin Academy
Christian school (nondenominational) · Grades Pre-K–8
331 students
Bellingham, WA
AOverall grade331 students9 students per teacher
2026 lists
Largest Private Schools in Bellingham, WA
The private schools in Bellingham, WA with the most students. Top 11 of 11 schools.
#2 Largest Private Schools in Bellingham, WA
Franklin Academy
Christian school (nondenominational) · Grades Pre-K–8
321 students
Bellingham, WA
A+Overall grade321 students9 students per teacher
#3 Largest Private Schools in Bellingham, WA
Assumption Catholic School
Diocesan school · Grades Pre-K–8
223 students
Bellingham, WA
AOverall grade223 students13 students per teacher
#4 Largest Private Schools in Bellingham, WA
Whatcom Hills Waldorf School
Independent school · Grades Pre-K–8
177 students
Bellingham, WA
BOverall grade177 students11 students per teacher
#5 Largest Private Schools in Bellingham, WA
Montessori at Samish Woods
Montessori school · Grades Pre-K–6
61 students
Bellingham, WA
B+Overall grade61 students9 students per teacher
#6 Largest Private Schools in Bellingham, WA
Cedar Tree Montessori
Montessori school · Grades Pre-K–6
57 students
Bellingham, WA
AOverall grade57 students6 students per teacher
#7 Largest Private Schools in Bellingham, WA
Explorations Academy
Independent school · Grades 6–12
38 students
Bellingham, WA
AOverall grade38 students4 students per teacher
#8 Largest Private Schools in Bellingham, WA
Cascades Montessori Middle School
Montessori school · Grades 7–8
36 students
Bellingham, WA
B+Overall grade36 students10 students per teacher
#9 Largest Private Schools in Bellingham, WA
The Robert Williams School of Arts Sciences
Alternative school · Grades K–5
23 students
Bellingham, WA
A-Overall grade23 students6 students per teacher
#10 Largest Private Schools in Bellingham, WA
Alger Learning Center
Alternative school · Grades 3–12
22 students
Bellingham, WA
B+Overall grade22 students22 students per teacher
#11 Largest Private Schools in Bellingham, WA
Independence High School
Alternative school · Grades 3–12
22 students
Bellingham, WA
B+Overall grade22 students22 students per teacher
From official public records, updated October 2026.