The MPA Directory and the last page in the 2006-2007 MPA wall calendar includes a list of Key Phone Numbers for MPA.  There is a correction to the way you need to contact the Division Offices:

For the Lower School Office, please call the main switchboard at 651.777.2555 and then ask for (or dial, if voice mail picks up) extension 330.

For the Middle School Office, please call the main switchboard at 651.777.2555 and then ask for (or dial, if voice mail picks up) extension 316.

For the Upper School Office, please call the main switchboard at 651.777.2555 and then ask for (or dial, if voice mail picks up) extension 319.