Grade 4 online reading comprehension site for elementary, intermediate, and middle school students. Dozens of grade 4 online reading comprehension worksheets to help improve reading skills in children and ESL (English as a Second Language) students. Take our grade 4 worksheet tests anonymously, or register so you can track your (or a child's) progress via our student/teacher/parent "portal". Generate reports to see how the test-takers are progressing over time. Take and re-take tests to improve grade 4 comprehension skills.