Generally, CBSE affiliated schools are doing better in Jammu in terms of providing holistic education.
As per me, the ones that are providing quality education are:
1. Heritage School
2. Presentation Convent
3. Springdales School
4. Jammu Sanskriti
5. Jodhamal Public School
6. GD Goenka
7. Carmel convent Jkbose
8. Presentation Convent CBSE
So these are some CBSE schools in Jammu and kashmir. Hope the list will be helpful to you.