2026 lists

Largest Private Schools in Lewiston, ID

The private schools in Lewiston, ID with the most students. Top 5 of 5 schools.

#1 Largest Private Schools in Lewiston, ID

Diocesan school · Grades Pre-K–8

216 students

Lewiston, ID

B-Overall grade216 students18 students per teacher

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#2 Largest Private Schools in Lewiston, ID

Christian school (nondenominational) · Grades K–8

107 students

Lewiston, ID

B+Overall grade107 students10 students per teacher

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#3 Largest Private Schools in Lewiston, ID

Special education school · Grades 2–12

42 students

Lewiston, ID

B+Overall grade42 students14 students per teacher

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#4 Largest Private Schools in Lewiston, ID

Christian school (nondenominational) · Grades K–12

39 students

Lewiston, ID

AOverall grade39 students7 students per teacher

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#5 Largest Private Schools in Lewiston, ID

Montessori school · Grades Pre-K–5

32 students

Lewiston, ID

B+Overall grade32 students11 students per teacher

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From official public records, updated October 2026.