From experiment set-up to watercolour painting, lighting design for specialist classes does not follow a universal concept but is custom-oriented to the conditions and functions of the room. Good luminaire glare control is important throughout (UGR < 19). This helps pupils concentrate and delivers the best possible vision without eye fatigue, even when using laptops and tablets, which are becoming increasingly common. Different minimum light intensity is prescribed for each subject. While 500 lux is sufficient for computer rooms, specialist classes for music and art require greater brightness (750 lux). Drawing, painting, and fine arts are particularly demanding visual tasks. In addition to very good illumination, a high colour rendering index (CRI ≥ 90) is particularly important to make colours look natural.
Additional wallwashers are recommended if boards or diagrams are used in a specialist class. The lowest possible direct and reflected glare must be ensured, especially in computer rooms. For example, in music and theatre classes, a mixture of direct and indirect light is ideal for minimising the casting of shadows. The lighting there should also correspond to different settings, from warm-up to rehearsal. A lighting management system with separately switchable lighting programmes is suitable in this case. In some specialised classes, such as workshops and laboratories, luminaires must provide very good lighting conditions to ensure pupil safety while being impervious to dust and particles. Shock-resistant luminaires also offer safety in classes where experiments are being conducted.
