The Nissitissit Middle School Parent-Teacher Support Group will hold a fund-raising 5K walk/run at noon on Memorial Day, beginning at the school, 33 Chace Ave. The May 27 event will take place after the town’s Memorial Day parade and observances. Proceeds will benefit the school, which is part of the North Middlesex Regional School District. The entry fee is $15 for students, $20 for adults in advance, and $25 on race day, with a $75 family maximum. For more information, and a link to sign up in advance online, visit www.nms.nmrsd.org.