i would also like to add some
it's Kipps..which also conduct css classess
another one is Zawiya..
apart from academy..you can also study from a subject specialist ...it would be more beneficial..such as there is a good teacher of English in Islamabad..Named Sir Shaukat..from NUML,he is the best.
his contact number is
plus you can find many other teachers who offer classes for css students.
ALL THE BEST