I think it may be
Both of the following school offers up to primary 6
you can go to their website to see if the school 褲/裙
is the same as what you have seen
Norwegian International School,
175 Kwong Fuk Road, Tai Po, N.T., Hong Kong.
Tel: +(852) 2658 0341
Fax: +(852) 2651 0050 www.nis.edu.hk
or
Hong Lok Yuen International School
Twentieth Street, Hong Lok Yuen, Tai Po,
New Territories, Hong Kong www.hlyis.edu.hk
(this school 褲/裙
is white米色褲/裙)
why don't you call the school and ask