HI , If you not go to HKCEE but you interest in 心理學同輔導學, you can try to study 心理學 Foundation, You can leave me your email address, i will send you some course information.
If you choose 心理學 / 輔導學 , you must find a course which can help you to link to 心理學 Degree or Master. this is a very important point