Tim and Wendy Koontz

QUINCY — The Quincy Public Schools Foundation announced a $250,000 goal for its annual Dream Big fundraising campaign during an event Thursday night at Quincy High School. Alums Tim (Class of 1986) and Wendy (Class of 1987) Koontz are the honorary chairs for this year’s campaign. Superintendent Dr. Todd Pettit, QPSF Executive Director Heidi Lanier…