In a Jewish Day School as this, the students would neither use A.D. nor "B.C." in their discussions. They use B.C.E. and C.E..
When the team members are comparing PSAT scores, they list numbers in the thousands (1540, 1600, etc.), however PSAT scores range from 60-240. The SAT is measured in the thousands.
The movie is supposed to take place around the time of Hanukkah, which can occur from late November to late December. The kids are often dressed in winter coats and scarves, but there are leaves on the trees, the shrubs are in full foliage, and the grass is green. The leaves are usually gone from the trees in Philadelphia, Pennsylvania, where the movie is supposed to take place, by the end of October.
The movie is supposed to take place in Philadelphia, Pennsylvania. However, in the scenes surrounding the playground where the boys practice, the CN Tower and Sky Dome, both located in Toronto, Ontario, Canada, can be seen.