According to the Hygienic Standard for Daylighting and Lighting in Primary and Secondary Schools, the average illuminance value of classroom desktop should not be less than 300lx, and the illuminance uniformity should not be less than 0.7; The classroom blackboard should be equipped with local lighting, and the average illumination should be not less than 500lx, and the uniformity of illumination should be not less than 0.8.
Second, high-quality educational lighting is very important.