2026 lists

Largest Private Schools in Benton County, WA

The private schools in Benton County, WA with the most students. Top 6 of 6 schools.

#1 Largest Private Schools in Benton County, WA

Christian school (nondenominational) · Grades Pre-K–12

561 students

Richland, WA

B-Overall grade561 students13 students per teacher

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#2 Largest Private Schools in Benton County, WA

Parish school · Grades Pre-K–8

399 students

Richland, WA

B+Overall grade399 students13 students per teacher

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#3 Largest Private Schools in Benton County, WA

Diocesan school · Grades Pre-K–8

213 students

Kennewick, WA

A+Overall grade213 students11 students per teacher

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#4 Largest Private Schools in Benton County, WA

Lutheran (Missouri Synod) school · Grades Pre-K–8

178 students

Kennewick, WA

B+Overall grade178 students16 students per teacher

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#5 Largest Private Schools in Benton County, WA

Montessori school · Grades Pre-K–6

66 students

Richland, WA

B+Overall grade66 students17 students per teacher

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#6 Largest Private Schools in Benton County, WA

Montessori school · Grades Pre-K–4

40 students

Richland, WA

B+Overall grade40 students13 students per teacher

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From official public records, updated October 2026.