The aim of this research was to find out empirically the correlation between 1) students’ grammatical competence and reading comprehension; (2) students’ schemata and reading comprehension; and (3) students’ grammatical competence and students’ schemata simultaneously to reading comprehension.
The research used correlational method. The research was conducted at SMA Negeri 2 Sragen. The sample was 30 from the population of 190 eleventh grade students. The instruments to collect the data were in the forms of tests. The techniques which were used in analyzing the data were Simple Correlation and Multiple Regression Correlation.
The result shows, (1) there is a positive correlation between students’ grammatical competence and reading comprehension (rx1y = 0.64); (2) there is a positive correlation between students’ schemata and reading comprehension (rx2y = 0.60), and (3) there is a positive correlation between students’ grammatical competence and schemata to reading comprehension simultaneously (Ry12 = 0.80). It means that the improvement of students’ grammatical competence and schemata will be in line with the improvement of students’ reading comprehension.
Keywords: Grammatical competence, Schemata and Reading Comprehension.