Find activities and program opportunities for Cambridge 6th, 7th and 8th grade students in this comprehensive resource guide. The Afterschool Guide is published twice a year, in September for Fall and in January for Winter/Spring Programs. The MSN Summer Resource Guide is released in March and has it's own Find It Page (search Summer Resource Guide). To get to the electronic copy of the Guide, click the link in the top right column and click button on MSN homepage for most recent version.