Schieffelin is a 6-8, 225-pound forward from Loganville, Ga. and is rated as a three-star prospect, according to 247Sports and Rivals. Schieffelin averaged 12.0 points, 12.0 rebounds and 3.0 blocks per game last season for Grayson, a top-ranked program in Georgia. Last year they finished ranked 10th in the country and were No. 1 among public schools. As a sophomore, Schieffelin averaged 10.1 points, 7.7 rebounds and 1.0 block per game, while helping lead Grayson to a 25-4 record and a Region 8-AAAAAAA championship. Schieffelin chose Clemson over Virginia Tech and Dayton.