Kostka School Contact Information

Quezon City
289 Katipunan Avenue, Loyola Heights, Quezon City

Telephones:  426 0334/ 426 4913
Emails: principalkostka@gmail.com

Office Hours:
Mondays to Fridays: 8 a.m. to 5 p.m.
Saturdays: 9 a.m. to 4 p.m.

Marikina City
138 General Ordonez Street, Marikina Heights, Marikina City

Telephones:  942 7881/ 942 7882
Emails:  principalkostka@gmail.com
Office Hours:
Mondays to Fridays: 8 a.m. to 4 p.m.
Saturdays: No Saturday office