Complex sentence: The City School's (abbreviated as TCS) is an independent Pakistani for-profit education company which operates 192 English medium primary and secondary schools in 53 cities across Pakistan along with joint venture projects in UAE, Saudi Arabia, Philippines, Malaysia and Bangladesh.
Split into simpler sentences: The City School (abbreviated as TCS) is one of the private English medium school systems in Pakistan which operates more than 190 schools in 53 cities across Pakistan. It also has established international projects in UAE, Saudi Arabia, Philippines, Malaysia and Bangladesh.