Currently i only have n lvl cert,full pass.Able to proceed to o level when i'm in sec sch but didn't continue to sec 5.And now the problem is that i going to serve NS soon,and after ns i should go for o lvl or private diploma?Cos after ns i'll be 21 years old and will it be too old to take o lvl?Which path is better?Heard that employer alway look at o lvl cert too?And i regretted tat i neglect my studies in the past

So peeps out there pls give some advices to me pls.