Museum volunteers packed the auditorium with classroomfuls of eager students for the science fair.

A classroomful of students erupted into applause when the science fair winners were announced.

The school renovated its classrooms to improve ventilation and lighting.

The classroom was filled with sunlight as the students prepared for their science presentation.

The school renovated several open classrooms to foster collaboration and flexible learning.

Teachers used the open classroom to organize mixed-ability students into rotating small groups for project-based learning.

The flipped classroom encouraged students to watch lectures at home and use class time for collaborative problem-solving.

Many universities have adopted flipped classrooms to encourage active learning and more interactive seminars.

The new coworking space had a classroomlike arrangement, with rows of desks and a whiteboard at the front.

Field trips returned, and the museum welcomed classroomsful of excited children each day.