This study set out to investigate the impact of classroom essay tests on students’ learning of English Language in Secondary schools in the South West Region of Cameroon. The main research question was; how do classroom essay writing tests influence students’ learning of English language? The design adopted was the cross-sectional survey. From the population of secondary school students in the South West region of Cameroon, a sample size of 370 form five students and 7 English Language form five teachers were selected for the investigation. The convenience, purposive and cluster sampling techniques were used to select the sample population. A questionnaire, documentary protocols and focus group discussion guide were employed as instruments for data collection. Data were analyzed using frequency, proportion and Multiple Response Set. The findings showed that classroom essay tests did not enhance students’ learning of English language. It further revealed an inadequate extensive writing skill acquisition in the English language. The study thus recommends continuous classroom assessment of essay writing.