The TIMSS 2011 International Database includes data for all questionnaires administered as part of the TIMSS 2011 assessment. This supplement contains the international version of the TIMSS 2011 background questionnaires and curriculum questionnaires in the following 10 sections: (1) Fourth Grade Student Questionnaire; (2) Fourth Grade Home Questionnaire; (3) Fourth Grade Teacher Questionnaire; (4) Fourth Grade School Questionnaire; (5) Fourth Grade Curriculum Questionnaire; (6) Eighth Grade Student Questionnaire -- General/Integrated Science Version & Eighth Grade Student Questionnaire -- Separate Science Subjects Version; (7) Eighth Grade Mathematics Teacher Questionnaire; (8) Eighth Grade Science Teacher Questionnaire; (9) Eighth Grade School Questionnaire; and (10) Eighth Grade Curriculum Questionnaire. Each section contains a table that lists detailed information for each question, followed by the international version of the questionnaire with variable names labeled in the margin. (Contains 10 exhibits.) [For the "TIMSS 2011 User Guide for the International Database," see ED544555. For Supplement 2, see ED544557. For Supplement 3, see ED544558. For Supplement 4, see ED544559.]