sentences:  The Lehigh Valley Conference is also recognized nationally for its hugely successful wrestling programs, which are widely considered among the most competitive and elite in the nation.Easton Area High School, Nazareth Area High School, Northampton Area High School, and other Lehigh Valley Conference high schools are usually national powerhouses and each competes at prestigious national tournaments.Lehigh Valley Conference wrestling matches, especially those between rival Lehigh Valley Conference high schools, are among the Lehigh Valley's most popular athletic events, often selling out large indoor high school arenas with thousands of spectators.