This research was aimed at knowing a compatibility between course book entitled “Bahasa
Inggris” as used in Grade XI of senior high school and vocational school using Curriculum 2013
with the English syllabus for Grade XI of senior high school and vocational school using
Curriculum 2013 and Bloom’s Revised taxonomy criteria in terms of the learning materials and
learning exercises of the book. This research used descriptive design where the object of the
research was a course book entitled “Bahasa Inggris” as used in Grade XI of senior high school
and vocational school using Curriculum 2013 which consists of eleven (11) chapters and 240
pages. This research used two criteria to analyze the book which were syllabus and Bloom’s
Revised Taxonomy criteria. There were 4 steps in analyzing the book which were (1) collecting
the learning materials and learning exercises of the book, (2) comparing each learning material
and exercise with syllabus, (3) categorizing each exercise into its level of thinking skill based on
Bloom’s Revised Taxonomy, (4) calculating the percentage of the book’s compatibility with
syllabus and Bloom’s Revised Taxonomy to get the result. Based on the analysis, it was found
that the book is compatible with the English syllabus in terms of the learning materials and
learning exercises with the total percentage of compatibility is 100%. Meanwhile, from Bloom’s
Revised Taxonomy, the course book is only compatible in the medium level with the total
percentage is 90.09% which means almost all chapters are compatible with Bloom’s Revised
Taxonomy criteria. In the other hand, the book is not compatible for easy level with the total
percentage of compatibility is only 9.09% and difficult level with the total percentage of
compatibility is only 36.36% from all chapters in the book. In conclusion, the course book
focuses on the medium level while easy and difficult levels are neglected.