Can you suggest some online courses for school or junior college students?

There are various online platforms wherein junior school and college students can explore diverse courses for academic tutorin. For basic-grade coding courses. In terms of communication and personality development, programs by PlanetSpark and Udemy will find relevance, while creative pursuits may be

Hello,

 for maths and Science, I would suggest Khan Academy as I myself did lectures from him, it is for free

For paid one, you can opt for physics wallah, it would cost you around 3-4k

For Olympiad or JEE or Neet, you can prefer FIITJEE/ AAKASH live 

For Coding you can opt for YouTube Channel for eg -