Lucknow schools extended closure for students up to Class 8 until January 10 due to escalating cold wave. Timings for Class 9 to Class 12 limited to 10 a.m. to 3 p.m. School management responsible for protecting students from cold, must use heaters in classrooms. Students should not sit outside during classes, practicals, or exams. Winter uniform rules relaxed, allowing warm clothes. Online classes suggested when possible. Staff decisions at employer’s discretion.