This reseacrh was aimed at improving students’ speaking ability through
task-based learning. It was used Classroom Action Research (CAR) which was
conducted at the XI TKR 4 at SMK Wiworotomo Purwokerto in academic year
2013/2014 as the subject of the research. The data were collected through
observation, speaking test (pre test and post test) questionnaire, interview, and
documentation. The researcher employed qualitative and kuantitative technique.
The data analyis showed that the use of task-based learning could improve the
students speaking ability. The fact was; pre test showed 54.62, while post test in
cycle one showed 74.82. Therefore, the improvement of mean from pre test to
post test in cycle two was 44.36%. It was also supported by the observation and
questionnaire result. The data of observation showed the average of the students’
improvement in speaking abilities in cycle one was 38.35% and the cycle two was
59.33%. The data from the questionnaire which consisted of 5 question showed
that many students gave positive respond to the use of task-based learning the
average percentage of all question that gave positive response was 96.12%. The
interview result showed that the students felt enjoyed and happy in following the
teaching learning process. In conclusion the research was success.