College commencement season is underway in New Hampshire, and at least four schools celebrated this weekend. Colby-Sawyer College in New London, Keene State College, Rivier University in Nashua, and Southern New Hampshire University in Manchester all held commencement ceremonies on Saturday. Gov. Maggie Hassan was the keynote speaker at Southern New Hampshire's ceremony for graduate students, while undergraduates were set to hear from poet Robert Pinsky. The New Hampshire College and University Council estimates that more than 60,000 proud parents, friends and relatives will gather in New Hampshire during May and June for graduations.