It is an increasingly common calculus among the millennial Orthodox. With day-school costs rising along with housing prices in neighborhoods within walking distance of many synagogues, plus a general social pressure to keep up with the Cohens, more and more families seem to be considering aliyah in part for financial reasons. “We call them ‘tuition refugees’,” said Chana Shields Rosenfelder, who lives in Beit Shemesh, Israel, and is a consultant for students with special needs, for whose families aliyah can be especially attractive.