This research is aimed to: (1) investigate whether or not the language skills materials in “English in Focus” used by the VII year students of Junior High School textbook are compatible with indicators in language skills of School based Curriculum; and (2) investigate whether or not the exercises in “English in Focus” textbook are communicative.

The writer used a descriptive method. The data of this research is sample chapters in the textbook used by the seventh grade students of Junior High School. In collecting the data, she used document as data source. The data were analyzed by these steps: (1) Listing the indicators of language skills and kinds of communicative exercise, (2) Finding out the kinds of skill and communicative exercise available on the textbook, (3) Classifying them, (4) Analyzing them, (5) Counting and adding them, (6) Giving percentage from the total number, (7) Judjing whether or not the data are appropriate with the indicators in school-based curriculum, and (8) Drawing conclusion and proposing suggestion.

The result of the analysis shows that the percentage of the appropriateness of the skills developed in the textbook “English in Focus” is 56.96% (listening: 50% included into fair category; speaking: 53.33% included into fair category; reading: 53.84% included into fair category; writing: 90% included into very good category). Overall, it means that the textbook is compatible with the School-based Curriculum in developing listening, speaking, reading, and writing skills. The textbook include into good textbook to support the complete material in English teaching-learning process for the students of Junior high schools. Meanwhile, the percentage in developing the communicative exercises is 75%, meaning that it is good.

Keywords: content analysis, textbook, CLT