Eight candidates, including four incumbents, are seeking four seats on the Southern Lehigh School Board.

All the candidates have cross-filed, meaning they will appear on both the Democratic and Republican ballots.

According to an unofficial list from the Lehigh County voter registration office, the following candidates are on the ballot for the May 21 primary:

• Incumbent Thomas McLoughlin
• Incumbent William Hayes
• Brian Merkle
• Incumbent Dorothy Mohr
• Incumbent Elizabeth Stelts
• Steven Annunziato
• Dino Daddona Sr.
• Kathleen D. Parsons

The Southern Lehigh School District includes Coopersburg, and Lower Milford and Upper Saucon Townships.