The present study was aimed at finding the Effect of Students’ Feedback and Teaching Experience on Teacher Effectiveness of Secondary School Teachers. This study was experimental in nature. Sample was comprised of 102 Secondary School Teachers teaching in different five schools of Gurgaon city and students taught by them. In the Experimental group after taking students appraisal data of teacher effectiveness feedback was given to the teachers by the researcher. This Students’ feedback was comparative and non comparative, overall and dimension wise. It also included suggestions elicited from the students on important aspects of their teaching. The present study revealed that Feedback information provided to teachers was found to be effective in terms of Teacher Effectiveness of the 

teachers, But Teacher Effectiveness was independent of Teaching xperience of Teachers and the interactional effect of Teaching Experience of Teachers with Students’ Feedback, when Pre-Teacher Effectiveness was taken as co-variate.