The purpose of this research is to find out the effectiveness of using Cooperative Learning with Time Token Arends method to improve speaking students ability at tenth grade of SMA Negeri 1 Tahunan Jepara. This research had been conducted on 05th February until 04th March 2021. This research used a true experimental research as the research design. The population of this research were tenth grade of SMA Negeri 1 Tahunan Jepara which consisted of 389 students and the sample of this research was X MIPA 4 as experimental group and X MIPA 3 as control group. Each class consisted of 35 students. This research used a technique random sampling to take the sample. The data were obtained by speaking test which divided into pre-test and post-test and the data was analysed using SPSS. The result of the data showed that the mean of experimental group in pre-test was 63.77 and control group was 66.40. The mean of experimental group in post-test was 79.77 and control group was 75.54. The t-test of pre-test showed that the sig (2-tailed) > 0.05 (0.214 > 0.05). It meant the data was not significant. The t-test of post-test showed that the sig (2-tailed) was < 0.05 (0.010 < 0.05). It meant that there was a significant between experimental group and control group. In other word, the Null Hypothesis (H0) was rejected and the Alternative Hypothesis (Ha) was accepted. Based on the findings and the discussion of this research, the researcher can conclude that using Cooperative Learning with Time Token Arends Method was effective to improve students’ speaking ability at tenth grade of SMA Negeri 1 Tahunan Jepara.