ASSESSMENT OF THE INFLUENCE OF CLASSROOM LIGHTING AND ACOUSTIC CONDITIONS ON LEARNING OUTCOMES: A CASE OF A SCHOOL IN BENGALURU, INDIA
DOI:
https://doi.org/10.29121/ijetmr.v13.i4.2026.1741Keywords:
Classroom Environment, Acoustic Comfort, Lighting Quality, Learning Outcomes, Mixed-Methods ResearchAbstract
Aim: Classroom lighting and acoustics strongly affect comfort, attention, and communication. This study aims to evaluate how the classroom lighting and acoustic conditions influence learning outcomes by assessing environmental parameters and collecting perceptual feedback from students and teachers in a selected school in South Bengaluru.
Methodology: A mixed-methods research methodology was used, which combined environmental measurements and user perception surveys. A BEETECH B-105 light meter and a BEETECH B-401 sound level meter were used to obtain objective data. Subjective data was collected using structured Likert-scale questionnaires provided to 106 students and 14 teachers at a private school in Bengaluru. These data were analyzed and presented.
Findings: Results showed that 53% of students experienced visual discomfort, primarily due to glare and uneven brightness. In high-illumination classrooms (above 340.5 lux), 50% reported visual fatigue, aligning with findings on over-illumination. Some students (29%) mentioned strong echo effects, whereas just under a quarter said they understood teachers well, matching earlier findings about unclear speech. In noisy spaces above 75-80 dB, teachers described effortful speaking, which aligns with prior observations on classroom sound issues.
Implications: The research highlights including both sound and light elements in school building guidelines. While supporting low-cost renovation methods, it also fosters better classroom conditions that benefit students’ performance, along with staff health.
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