The softball team won the Group IV state championship in 2008 (defeating Ridgewood High School in the final round of the tournament) and 2009 (vs. Union High School). The 2008 team defeated Toms River High School East to win the South Jersey, Group IV state sectional championship, with a 2-0 win in the tournament final. The team won the Group IV title with a 1-0 win over Old Bridge High School in the semifinals and finished the season with a 26-1 record after a 2-0 win against Ridgewood in the finals. Williamstown was ranked as the number one softball team in New Jersey and number 25th ranked team in the nation in the "USA Today" final 2008 rankings. NJ.com / "The Star-Ledger" ranked Williamstown as their number-one softball team in the state in 2008. In spring 2009 the Williamstown softball team again defeated Toms River High School East to win the South Jersey, Group IV state sectional championship, with a three-run walk-off home run in the bottom of the eleventh inning. The team repeated as Group IV State Champions when they defeated Union High School by a final score of 3-0, allowing only one hit.