Lockdown Procedures Thursday, November 30th 2:30 pm Crises involving threats or harm to students, personnel, and facilities require immediate and effective responses. There are three different levels of alert, depending on the threat. On Thursday, Nov. 30 students will practice how to respond when the school is in Full Lockdown. Full Lockdown is used if there is a major incident of threat of school violence within the school, or in relation to the school, such as an intruder in the building or on the school grounds and danger is imminent, or if we have been advised of a direct, imminent threat by police.