West Pakistan the state capital was moved from Karachi to Army Generals Combatant Headquarters (The GHQ) at Rawalpindi in 1959, whilst the federal legislature was moved to Dacca. In 1963, Rawalpindi had become ineffective as a federal capital; a new city was planned and constructed, finally completing in 1965. In 1965, the state capital was finally re-located in Islamabad. On contrary perception, the provinces did not benefit from economic progress, but the One Unit program strengthened the central government. In West Pakistan, the four provinces also struggled hard for the abolition of One Unit which caused injustices to them as it was
International School of Islamabad 165 students in January 2003, an all-time low, but enrollment recovered to 374 in 2007–2008. Enrollment declined after 2008. After the Islamabad Marriott Hotel bombing in October of that year, the United Nations and other organizations stated that Islamabad was not a family post, meaning employees of those organizations may not have their family members in the same city. Additional events in Pakistan and neighboring countries caused additional enrollment declines. Each year, 30% of the school's students are new students. Enrollment count: International School of Islamabad International School of Islamabad (ISOI) is an international school in Islamabad, Pakistan, serving K-12.