Take the Schukill to Exit 339 for City Line Ave.  Follow City Line south for 4.8 miles to Earlington Rd.   Turn right on Earlington Rd. and proceed for 1.0 mile.  Turn right on Mill Rd.  Follow Mill Rd. for 0.1 miles.  SJCCBA will be on your left.

From the Main Line:

From 476, take exit 13 onto Lancaster Ave.  Go east for 1.8 miles.  Take right turn on Arthur Rd, then bear left on Haverford Rd.  Stay on Haverford for 2.1 miles.  At Wynnewood Lanes, bear right onto Karakung Rd.  Follow Karakung for 0.4 miles.  Turn right on Mill Rd.  SJCCBA will be just past the underpass on the right.

Or see Mapquest