PETERBOROUGH — Superintendent Kimberly Rizzo Saunders reports that the ConVal School District will be affected by anticipated milk shortages caused by a cyberattack affecting H.P. Hood Dairy. ConVal was informed by its foodservice vendor, Fresh Picks Cafe, that Hood Dairy was victimized by a significant cyberattack. As a result, ConVal has been made aware that Hood anticipates significant impacts in its …