Office Hours-Payment-Contact Information

Office Hours

Monday to Friday 7am – 3pm.

IMPORTANT…The CAO is no longer open on Saturday’s.   Unless specified and requested by a CAO group.

Payment Information

IMPORTANT information!! CAO office does NOT accept payments after 3pm.

Payments can be made by cash, check, or credit car (visa and mastercard).

Checks should be made payable to “International School Association”

All cash payments should be paid in the EXACT amounts, no change is given from the office.

Credit card payments will carry an additional 1.7% fee.


Contact Information

Community Activities Office Phone:  02 963 5800, Ext:  1191

CAO Secretary:  Khun Fon, Email:

CAO Coodinator:  Bob Connor, Email:

CAO & Athletics IT Secretary: Khun Venus, Email:, Ext: 1177