Via PA 93/US 209
PA 93 South toward Jim Thorpe.  Continue on PA 93 South to US 209.  Turn left onto US 209 North and continue through Jim Thorpe and Lehighton.  After crossing McCall Bridge, turn right onto PA 248.  Proceed on PA 248 for 7 miles to second traffic light then bear right onto PA 145.  Proceed on PA 145 approximately 10 miles into Allentown (when road becomes 4 lane highway, PA 145 becomes MacCarthur Road).  Proceed on MacCarthur Road 3 miles and look for Mechanicsville Road.  Turn righ onto Mechanicsville Road and you will see Whitehall School complex on right side. 
Via Route 309
Route 309 South through Tamaqua to PA Route 100.  Make a right onto PA Route 100 and proceed to I-78 East.  Proceed on I-78 East 2 miles to US 22 East and proceed to MacCarthur Road Exit(PA 145 North).  Proceed on MacCarthur Road approximately 8 traffic lights to Mechanicsville Road.  Turn left onto Mechanicsville Road and you will see Whitehall High School complex on left side.