Just want to share the answers to the ff questions:
WHAT TO WEAR DURING A MODELLING AGENCY INTERVIEW?
Based on experience, a simple form fitting jeans and a basic top will do jud. Avoid looking like a slut during the casting or interview.
SHOULD I WEAR MAKEUP?
Pwede ra mag-makeup basta
light lang jud kay usa pud na ka factor ang skin/face.
If you're wearing
too much makeup mag-wonder ra nuon sila if unsa imong nawng if wala ka nagmakeup!
HOW TALL SHOULD A MODEL BE?
If print model naa uban na 5 feet tall basta proportion lang. 
If runway model, kailangan taas jud.. mga 5' 5 up for girls siguro if taas jud ka tan-awn coz i have a friend inana iya height. If sa guys not so sure mga pila ang required height sa runway.. depende ra jud sa requirement sa designer or advertiser (print).