Question

suggest ways to access and retention of child in school

Answer 1

Well, several ways can be used for the access and retention of child in school .
The important way to access is the location of the school which should be at appropriate place where easy access available. 
The one of important way of retention and access of child is by reducing the fees of the school this way more child's can be attracted and retain.
Another , best way in this regard is the  improvement in the quality education of the school this can easily done by bringing quality teacher.

Answer 2

Improving the quality of education can help to increase the enrolment of children in the schools. Some ways for access and retention of children in schools are:

1. Eliminating the school fees.

2. Setting up low-fee private schools.

3. Parental and community involvement in schools.

4. Location of schools closer to the residences of children.

5. Reduction of other school-related costs.