LGS meaning in Community ?

Lahore Grammar School (LGS) is a group of private education institutions based in the city of Lahore, Punjab, Pakistan, with branches spread throughout the country. The school is highly selective, requiring multiple academic tests to be granted admission. The system was established in 1979 at its 55 Main Gulberg campus. Today, LGS has multiple branches in Pakistan. There are six branches in the Johar Town area, three branches in the Gulberg area, several branches in DHA, including one in Phase V and one in Phase I, and one built in Paragon City in 2009. These branches are spread out across the country and offer private education to boys and girls from Preschool till A Levels. They also offer the IB Primary Years Programme. LGS has campuses in Faisalabad, Gujranwala, Sargodha, Gujrat, Islamabad, Karachi, Lahore, Multan, Rahim Yar Khan, Peshawar, Quetta, Sialkot, Sheikhupura, Wah Cantt, and Dera Ghazi Khan.