The study examined the effectiveness of the multi-behaviour techniques (MBTS) in the reduction of academic failure of National University of Lesotho (NUL) students. Using 425 participants drawn from the Faculty of Humanities, it adopted the quasi-experimental and ex-post facto research designs. With the use of ANOVAR and the student-t statistics at the alpha levels of 0.05, the main findings show that the combined treatment effect was statistically significant with the comparison of Fisher\'s value [F (6, 418) =7.52; P