The first railway hill school, however, was started in 1870 by the erstwhile sindh Punjab and delhi [SPD ] railway which later came to be known as north-western railway at a bungalow called Fairlawn which was part of the rajah of Nepal estate and close to the place where oak grove is now located. The Fairlawn school was merged with the oak grove school in 1894 as the number of students has increased and there was a death of staff to manage the school.Oak grove school started with only 28 students on its roll and at present more than 600 students.