The TeachScheme! project is at www.teach-scheme.org. Its chief organizers are Matthias Felleisen and Shriram Krishnamurthi.
The Adelphi workshop is at www.adelphi.edu/sbloch/class/hs/. It is being led by Stephen Bloch, with the assistance of several undergraduate students.
Adelphi's Grants Accountant, from whom you'll get reimbursements, is Mireille Sabbague.