Often, Jewish schools operate in isolation; "teamwork" may mean partnership among the team of administrators, or the head of school with the board. A new initiative in Boston, Stronger Together, aims to foster a culture of collaboration among the city's 14 day schools and yeshivas to explore opportunities for shared success. Explore how the project came about, how it functions, what it has accomplished so far and where it might develop moving forward. Hear from Sheri Gurock, Ari Sussman and Aimee Close.      Sheri Gurock is the executive director of The Beker Foundation and is also a facilitator, consultant, and executive coach. Ari Sussman is a day school consultant to Combined Jewish Philanthropies, Boston's Federation, where he has served as Boston day school's network lead for the past 3 years.Aimee Close is the director of Stronger Together, a Boston-based initiative of Prizmah.