Class 2A saw the biggest changeover of teams in any WPIAL classification. This realignment cycle increased the number of teams from 23 to 31. Additionally, 6 teams moved down from 3A while only one moved up and 5 moved up from 1A while 3 moved down. This year, Class 2A has moved to 4 conferences from which the top 4 teams will make the playoffs. The WPIAL Championship will be played at Norwin High School and the winner will advance to the semifinals of the PIAA Playoffs. The Allegheny Conference features three teams that moved down from 3A (Shady Side Academy, Valley, and Apollo-Ridge) and one that moved up from 1A (Summit Academy).
2018 WPIAL Preview: 2A Allegheny Conference
