Find Phone number, Location Address and all other information of Kindergarten, Playgroup & Play Schools in Lahore The National Grammar School Lahore on Branches.pk, Pakistan’s Largest Branches Directory. You can contact them directly on Phone number +92-42-35750855, 35750866, or you can visit their location in person, address location is: NGS Pre-School - 260 Upper Mall, Opp. Lahore Gymkhana, Lahore.