This study was conducted to investigate whether there is a difference in calcium intake between elementary school students who are participating in the school milk program and those who are not. The study samples consisted of 240 milk program participants and 120 non-participants in the fifth and the sixth grades at a school located in Cheong-ju. The survey questionnaire included questions related to general status, drinking milk at school, and intake of milk and dairy products at home. An FFQ (food frequency questionnaire) was composed of 30 calcium-supplying foods, which surveyed the normal intake amount at one time and the frequency per month. The average daily intake of calcium by the participants (1052.3 mg) was higher than that of the non-participants (772.5 mg) by 279.8 mg, and the major consumed food item contributing to the difference was milk. The major sources of dietary calcium were 'milk' for the participants and 'ice cream' for the non-participants. In a question asking the reasons for participation in the program, 48.8% of the participants answered 'benefits to health', and the primary reason why the nonparticipants did not drink milk at school was 'stomach pain' (55.0%). Among the participants, 80.4% said they 'are drinking milk at home', which was in contrast to only 50.8% of the non-participants. And 48.7% the participants said they drank 'more than 1 cup' of milk at home, and 47.5% of the non-participants said they drank 'less than 1 cup'.