From Taconic State Pkwy:
Follow the TSP N or S to Pleasantville Rd exit. If exiting from the North, make a left turn onto Pleasantville Rd. and continue to the second traffic light. School is on right. If exiting from the South make a right at the bottom of the ramp and go to the second traffic light. School is on right.

From Saw Mill Pkwy:
From the North:
Follow Saw Mill South to Manville Rd. exit. Bear right at the stop sign to the first traffic light. Make a Left and proceed on Pleasantville Rd. about one mile to the next traffic light . This will be the school driveway. 
From the South:
Follow Saw Mill North to the Bedford Rd. exit. Make a right at the stop sign and go to the next stop sign. Make a left onto Pleasantville Rd. and continue to the second traffic light. This will be school driveway.

  Google Maps - Yahoo! Maps - MapQuest