The aim of this study is to investigate the effectiveness of teaching English online course through virtual class (blackboard) on developing students’ English language speaking fluency. To verify this hypothesis, the researcher conducted English speaking course of 7weeks for the first common year students during first semester. The researcher conducted qualitative and quantitative study to investigate learners’ levels and fluency in speaking. The participants in this study were (60) first common year students at jouf university. The researcher used the questionnaire and pre and posttests of speaking to investigate learners’ levels and the progress that happen in their levels after finishing the course. Besides, many speaking activates and quizzes were applied to help learners to practice speaking. The course duration was 7 weeks. The study took place in Saudi Arabia, in March- 2021. The result of the pre and posttests was significantly different in favor of the post test. The levels of students were developed dramatically. The study recommends, the need of effective speaking program for developing students’ English speaking fluency through different online learning programs or any other effective communicative learning methods.
Keywords: Fluency, blackboard, quiz, virtual classes