Schools in Castorland, New York, the US. Schools locations in Castorland, New York. Find the nearest schools locations, near you. All types of business services ATM Finance Real estate School All schools in Castorland Bb School School 5455 New York 410, Castorland, New York 13620 Write a review Phone Directions Crystal Light Mennonite School School +1 315-376-2390 Castorland, Castorland, New York 13620 Write a review Phone Directions River Valley Mennonite School School +1 315-493-0187 5473 New York 410, Castorland, New York 13620 Write a review Phone Directions