If you are satisfy with Our Lady Primary, go for their KG. If you aim for higher, go for KV.
I know many kids from SC / KV admitted to Our Lady Primary this yr (mostly as back up only). But of course I don't know few years later.
kv la
....
a friend of mine studied OLC Primary and secondary ......
she had more rhan 10 pieces of homework everynight when she was in P6......
but tge academic level was horrible....
plus she failed Bible course in P4 and because of thus she needed to repeat P4.......
she hates the school
.......
you'd better find out more from currebt users as my friend is close to 40 years old and things might have changed since