Team teaching practice in english teaching and learning process at SMA Negeri I Gedangan Sidoarjo

English as the first foreign language in Indonesia is taught since kindergarten until university. It becomes one of the important lessons in schools. Teaching a language is different from teaching other lessons. Teaching a language is teaching a skill, and skill needs to be practiced, not just stored in the head or admired at a distance. Teaching a language is not as simple job as turning over our palm. It requires a lot of serious and extensive thinking and effort. Especially teaching English, teaching English needs more various activities, practices, medias and tolls. In fact, being an English teacher is not easy, the teacher is demanded to create fun situation in the classroom and also manage classroom well. The teacher has to give pay attention to the needs and the individual differences of students, develops the model and strategy which make the students follow the active, creative, effective and playful of teaching and learning English process In today's schools, teachers are faced with so many complex tasks and with such a diverse student body. There is no way that one teacher alone can help all of their students achieve learning their maximum potential. Ifusually the learning practice which is used is solitaire practice, in this era, several schools in Indonesia apply the new practice, which is called team teaching. This practice is hoped becomes one alternative solution to solve those problems. Karin Goetz explains Team teaching as a group of two or more teachers working together to plan, conduct, and evaluate the learning activities for the same group of learners. This study focuses on how the team teaching practice is used in teaching and learning English process, what are the advantages and disadvantages of team teaching for the teachers and the students, and what are the problems of team teaching and the solutions. For answer those questions, the writer observed the teaching and learning English process at XII IPA class in three meetings. For the data collection technique, the writer used observatio interview, documentation, and questionnaire. The implementation of team teaching in SMA Negeri I Gedangan could be seen at three main jobs, they were planning of teaching and learning, conducting of teaching and learning, and evaluating the process and result of teaching and learning. The advantages of team teaching for the teachers and students were the teachers could complete each other about material practice, and media. The students could get more knowledge from two teachers or more. The disadvantages of team teaching for them were the teachers found the difficult to match their time and the students felt confuse when the teachers had different explanation and perception. The disadvantages of team teaching became the problems which had to find the solutions.