The present study explored data from a survey of students' performance in English at the end of compulsory school in 6 European countries. The aim was to gain deeper knowledge of the internal structure of the test and to discuss similarities and differences between the different settings regarding patterns in language proficiency. The analyses, conducted by a factor analytic approach and 2-level structural equation modelling (SEM) techniques, indicated an overall English achievement factor at both student and school levels. Furthermore, an effect of format differences at the student level, constituted by a factor related to tasks demanding constructed response, was found. Three correlated modality factors related to listening, linguistic, and reading skills were identified but not further elaborated on as they improved the model only modestly. Considerable differences in between-school variation were found in the different settings. The results are discussed in relation to the instrument, student achievements, and the state of English in the participating countries.