Abstract “A Study to Evaluate Effectiveness of Planned Teaching Programme on Selected Healthy Habits in Terms of Knowledge and Attitude among Mothers of School Age Children in Select Rural Areas of Ahmadabad District.” The objectives of the study were: 1) To assess the knowledge of mothers of school age children before and after administration of planned teaching programme regarding selected healthy habits in selected rural area of Ahmadabad District. 2) To assess the attitude of mothers of school age children before and after administration of planned teaching programme regarding selected healthy habits in selected rural area of Ahmadabad District. 3) To find out association between pre test knowledge of mothers of school age children regarding selected healthy habits with selected demographic variables. 4) To find out association between pre test attitudes of mothers of school age children regarding selected healthy habits with selected demographic variables. Pre Experimental approach was used with one group pre-test post-test design. The study was conducted in selected rural areas of Ahmadabad district. The investigator used multi stage random sampling technique for selecting 50 samples; a planned teaching programme on selected healthy habits was prepared. A Structured Knowledge Questionnaire was prepared to assess the knowledge of the samples. Summated Likert’s scale used to assess attitude of samples. Content validity of the developed tool and planned teaching programme was established before the data collection. Reliability of the knowledge tool was ascertained by test retest method using spearman Rank correlation formula (0.8) and for attitude Cronbach alpha formula used (0.7) Data were analyzed using descriptive and inferential statistics. The mean pre-test knowledge score of samples on selected habits was (11.72) where as post-test knowledge score was (19.18) with mean difference 7.46. The calculated‘t’ (25.7) was greater than tabulated ‘t’ (2.01) at 0.05 level of significance. The mean post test Attitude score (81.68) was higher than the mean Pre-test Attitude score (58.26) with the mean difference of (23.42). The calculated‘t’ (10.07) was greater than tabulated‘t’ (2.01) at 0.05 level of significance. There is significant association between pre-test knowledge score with the demographic variables like education (10.0), occupation (6.8) at 0.05 level of significance. There was significant association between pre-test attitude score with the demographic variables like education (7.85) at 0.05 level of significance. From the above findings, researcher concluded that samples knowledge as well as the attitude improved after implementation of planned teaching programme on selected healthy habit. Keywords: Healthy habits; Planned Teaching Programme; Mothers; School age children