The objectives of the study were to study the effectiveness of the SQ4R technique in enhancing grade 11 students' critical reading and to investigate the students' satisfaction with the SQ4R technique as a model of learning management in a reading class. A quasi-experimental approach was selected, and one group of participants was employed. The participants were 31 Thai grade 11 students in a secondary school in Thailand. The instruments were an SQ4R learning management plan, a critical reading test, and a satisfaction questionnaire were research instruments. The data were collected in a public school in Thailand. It took a semester to complete a pre-test, an implementation of the SQ4R learning management, a post-test, and a satisfaction survey. The data were analyzed using percentage, mean score, standard deviation, a paired samples t-test, and effectiveness index with the determining criteria of 80/80. the result shows positive effects of the SQ4R model on participants' critical reading. It also indicates students' satisfaction with the instructional model.