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For the 2025-26 school year, there are 10 private high schools belonging to National Association of Independent Schools (NAIS) serving 5,368 students in District Of Columbia. You can also find more schools membership associations in District Of Columbia.

The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in District Of Columbia include National Cathedral School, St. Anselm's Abbey School, and Maret School.

The average tuition cost is $45,661, which is higher than the District Of Columbia private high school average tuition cost of $35,886.

50% of private high schools belonging to National Association of Independent Schools (NAIS) in District Of Columbia are religiously affiliated (most commonly Catholic and Episcopal).