Schemata are cognitive frameworks or concepts that help organize and interpretinformation. Schemata can be useful because they allow us to take shortcuts ininterpreting the vast amount of information that is available in our environment.This article is intended to report a correlational research on schemata and readingcomprehension ability. Sample consisting of 40 students was taken by means ofmultistage random sampling from the second semester students of Mathematic andScience Departments of one of state university in Surakarta as the population. Theinstuments used to take the data include document of shemata for variable X and testof reading cmprehension ability for variable Y. The technique of analyzing data issimple correlation and regression. The result shows that there is a positivecorrelation between schemata and reading comprehension ability (r = 0,82 dan r2 =0,6727) This indicates that schemata give high contribution to readingcomprehension ability and this means that schemata are good predctor for readingcomprehension ability. The implication is that teachers have to consider the aspectsof schemata in developing students’ reading comprehension ability.Keywords: schemata, reading comprehension ability, correlational study