Believe only HKPS (Kowloon Tong) and Pods are related. Same Principal, same teaching materials and they share same inter school functions. Some of the teachers (experienced) are transfered from HKPS to Pods as well.
check this out: http://www.henyep.com/traditionalchinese/e_projects6.htm
after studied nobel n1 change to hkps k1...really dont know..need to ask the school la...just know that the textbook and programme that Nobel using/teaching is not the same as hkps, should be not related to hkps at all...