St. Xaviers High School in one of the best CBSE Schools in Gurgaon Delhi NCR with pre primary to grade 12 education. St.Xaviers High School is one of the best high schools located in Sector 49 Gurgaon. The school promotes the best possible academic, cultural and moral values in a Christian environment. Best high school in sector 49 gurgaon with CBSE affiliation. The Pre-Primary curriculum is professionally designed by experts in the field of Early Childhood Education. Applying the constructivist approach, children are provided with ample opportunities to construct their knowledge and explore their surroundings.