The Warriors are headed back to the Final Four.
Sophomore midfielder Allie Atkinson scored a goal and assisted on another as Ontario knocked off Kalida 2-1 in a Division III regional final in Lima.
The Warriors will play either Elyria Catholic or Gates Mills Hawken at 7 p.m. Tuesday at a site to be determined in the state semifinals. Ontario is in the Final Four for the second time in three years after qualifying in Division II in 2010.
Senior Taylor Elliot added a goal for the Warriors.
In boys action, Mansfield Christian fell to Toledo Ottawa Hills 2-0 in a Division III regional championship match in Findlay. Brandon Zakeri scored both goal for the Green Bears, who avenged losses to MCS in last year's regional championship game and this year's season opener.
Michael Geiger had 11 saves for Ottawa Hills. Robbie Barnhill made five saves for the Flames.