The Lakewood Yeshiva's effort in Monsey appears to have been a success. The Shabbos & the Melave Malke were extremely meaningful and also assisted their fund raising effort. The community of Monsey enjoyed the presence of the Roshei Yeshiva.
Bais Medrash Govoha of Lakewood, founded by Maran Harav Ahron Kotler zt"l, is the largest yeshiva in North America with over 5,000 students.
The largest Yeshiva in the world is the Mirrer yeshiva in Yerushalayim with over 5,000 students.