Lehigh University endowment returns 15% while other endowments follow with double-digit returns Posted on October 5, 2017 at 11:08 am. Lehigh University endowment returned 15% for FY2017, outperforming its 13% benchmark. In FY2016, the endowment lost 2.7%. Over the past [Read More]To access this content, you must be a member. Visit the Plans page for details.