The seventh annual “Be Cool for Our School” Polar Plunge to benefit Marian Catholic High School takes place on Saturday at Mauch Chunk Lake in Jim Thorpe.

Registration is open from 10 to 11:30 a.m. The first plungers hit the water at noon. Registration is not limited to Plungers. Participants may register as a Chicken to show their support but stay dry.

A commemorative T-shirt is included with registration. With the exception of Marian students, all plungers must be 18 or older.

The event is family-friendly and will feature a DJ. Food and beverage will be available for purchase. There is no fee for spectators.

For more information, email mchspolarplunge@gmail.com or call Kathy Goff, 610-704-8037.

For updates on the plunge due to the weather forecast, check the group’s Facebook page MCHS Polar Plunge. A post on the page says updates will be made on the time of the plunge depending on the forecast.