DD1 5.8 still isn't dry in the day.
She was referred to the incontinence clinic by the school nurse after weeks of wetting herself 2 or 3 times a day at school.
The clinic have looked at her frequency and volume of wee and decided she needed to increase her bladder capacity and drink more. They also said she needed constant reminders and school have worked with us on this. (She is reminded to go and if she asks during lessons she is allowed to go when others may not be)
She is basically lazy and doesn't mind sitting in wet knickers. We went down the clinic route, because we had tried anger, disappointment, exasperation, indifference, sadness and just about every other emotion we could express. Nothing made any difference. The only thing that works is constant nagging.
We now have more good days than bad, but she seems to have improved at school and gone backwards at home.
I have no real advice, except talk to your GP or HV. If there is a problem, either physiological or psychological, you can flag this with the school and they will hopefully deal with it sympathetically and discretely.
The fact that there is an incontinence clinic for children that operates 3 days a week in a large city, must mean this is a common problem.
Sorry for the essay, all I really wanted to say was, you are not alone.