LEKHNATH: The Maoist-affiliated ANNISU-R on Tuesday padlocked the administration departments of three community manged schools. The padlocked schools are the Indra Rajya Laxmi Secondary School, Lama-chaur, the Armala Secondary School, Armala and the Annapurna Lower Secondary School, Armala. The ANNISU-R has threatned to shut down all Kaski district-based schools if their management are not taken back by the government within 20 days.