Mr. Sparks is a 2001 graduate of Calvert Hall. Upon his graduation from the Hall, Mr. Sparks attended York College of Pennsylvania where he studied Philosophy. After graduating from York in 2005, Mr. Sparks joined the Social Studies Department at Calvert Hall. In 2010, Mr. Sparks earned his Master's Degree in Teaching from Loyola University. Mr. Sparks teaches World and U.S. History and resides in Parkville with his wife Kate.

Mr. Greco is a fine product of K-12 Baltimore Catholic Schools; and faith based education is probably the most enjoyable aspect of teaching at Calvert Hall. Although he has experience with teaching every level of CHC students, he presently teaches 9th and 10th grade English. Additionally, Mr. Greco is the typical sports-enthusiastic teacher and serves as the JV Baseball assistant coach. He is the co-Moderator of the Italian and bowling clubs.