The present study is an attempt to find out the impact of self-regulated learning on academic achievement of senior secondary school students. A sample of 150 students studying in of 11th and 12th class selected randomly from two schools of Rohtak city. Test of Self-Regulated Learning Scale by Gupta and Mehtani was used to collect the data. Academic achievement of the students was determined on the basis of marks obtained in previous class (10th Class marks).Mean, Standard Deviation and ‘t’ test was used to analyse the data. The findings of the study revealed that academic achievement score of students belonging to high selfregulated learning group is higher than mean academic achievement score of students belonging to moderate and low self regulatory learning group, while academic achievement score of students belonging to moderate self-regulated learning group is higher than mean academic achievement score of students belonging to low self regulatory learning group.