Here is a .xls file for download that I found that has 340 East London school details: DOWNLOAD HERE - I cannot guarantee all contact details are correct.
For a complete listing of all schools in the Eastern Cape that I found on the web, It's a .xls file that contains 5760 school , please DOWNLOAD HERE
Selborne, East London
Tel: 043 722 1822
Fax: 043 743 7746
Postal Address: P O Box 11194 Southernwood 5213