Journal of Educational Research Vol. 8, No.1, October 2023; ISSN: 2354-2772 318 EFFECT OF CLASSWIDE PEER TUTORING ON BUSINESS EDUCATION STUDENTS’ ACADEMIC PERFORMANCE IN SPREADSHEET FOR SUSTAINABLE DEVELOPMENT IN UNIVERSITIES IN SOUTH-EAST,NIGERIA Virginia Nkechi Okeke (Ph.D) vn.okeke@coou.edu.ng Department of Vocational Education Chukwuemeka Odumegwu Ojukwu Igbariam Campus & Anthonia Chinyere Okoye (Ph.D) ac.okoye@coou.edu.ng Department of Vocational Education Chukwuemeka Odumegwu Ojukwu Igbariam Campus Abstract Classwide peer tutoring (CWPT) is an instructional approach that engages all learners in a classroom and it increases proficiency in the teaching and learning process. It encourages active participation of students and also designed to supplement traditional instruction method of teaching. The study sought to determine effect of classwide peer tutoring on business education students’ academic performance in spreadsheet for sustainable development in universities in South-East, Nigeria. Two research questions guided the study and two null hypotheses were tested at 0.05 level of significance. The study was quasi -experi mental research which specifically used the pretest, posttest non-equivalent control group design. The population of the study was 22 business education students offering Office Technology and Management (OTM) from three universities offering business education in Anambra State and census survey sampling (entire population) was used. The purposive sampling technique was used to select Anambra State out of the five states that made up the South-East. The experimental group had 11 OTM students (4 males and 7 females) while the