does it have basket ball leagues in it?
Yes
Mid-Atlantic Prep League
Since its inception in 1999, the MAPL has been an extremely competitive league and arguably the best combination of academics and basketball in the United States. While producing NBA players Luol Deng, Charlie Villanueva and Royal Ivey (all from Blair), as well as Joakim Noah (Lawrenceville), the MAPL has also become a pipeline for Ivy League basketball programs.
who is  finn m. w. caspersen? American financier and philanthropist. where did he study? Peddie School, Brown University, and Harvard Law School. which all sports were entertained in the first one ? Football, Basketball, Tennis, swimming, etc. who are their rivals in the first one? Blair Academy where is it located? Blairstown Township, New Jersey. what facilities do they provide? Bogle Science Center provides laboratories and classrooms, and includes the 100-seat Cowan Auditorium. have they competed in any national or international level competitions? Yes, Mid-Atlantic Prep League. what are the different sport items it includes? Squash
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Mid-Atlantic Prep League [SEP] Boys' basketball
Since its inception in 1999, the MAPL has been an extremely competitive league and arguably the best combination of academics and basketball in the United States. While producing NBA players Luol Deng, Charlie Villanueva and Royal Ivey (all from Blair), as well as Joakim Noah (Lawrenceville), the MAPL has also become a pipeline for Ivy League basketball programs. From 2004-2008 no league in the country produced more Ivy League players than the MAPL and no single school in the country produced as many players as The Hun School. Blair Academy has been the dominant basketball program in recent years, compiling a 63-12 record since the league's inception in 1999 and winning 7 of the last 10 league championships.