KENNYWOOD SCHOOL PICNIC: The annual Highlands School Picnic Day at Kennywood is Saturday, June 18, 2022. Tickets will only be sold online at www.kennywood.com; no ticket sales will be held at the school. The special school ticket price this year is $29.99 (plus processing fee) when you use the promo code HIGHLANDS. School tickets will be valid any operating day in May or June. Tickets will expire June 30, 2022.