Evaluation for students’performance is a very important and difficult responsibility of head nurses. This study was undertaken to investigate and identify head nurses’attitudes toward evaluation for clinical performance of nursing students. Data were gathered through questionnaire from eighty eight head nurses at three hospitals in Kwang Ju City and four hospitals in Seoul, during the period of April 9th-26th, 1978. The questionnaire developed by the researcher included 19 statements which concerned the attitudes of head nurses: their perception about objectives of evaluation for the students clinical performance, their attitudes toward responsibility as evaluator, their attitudes toward method of evaluation, their understanding and interest in nursing students. Mean attitude score more than 60% were classified as positive or favorable, and less than 60% to be negative or unfavorable. The result obtained could be summerized as follows: 1. The mean score of head nurses’attitudes was positive (67.9%). Hypothesis I was rejected, 2. Head nurses’perception about objectives on performance evaluation was very favorable (85.5%). 3. Head nurses’attitudes toward evaluating method were negative (50.9%), post-evaluation interview were perceived to be a part of evaluating process (73.9%), although only few (22.7%) implemented. 4. The head nurses’attitudes in the responsibility as a evaluator were unfavorable (58.2%). 5. Relatively favorable response was revealed in understanding and interest about nursing students (79.6%). 6. Educational level, duration of clinical experience, marital status, and geographical region of head nurses were no significant influence on the attitudes toward evaluation for clinical performance (P > 0.05), while only age revealed significant difference (P < 0.05) Hypothesis 2, 3, 5 and 6 were accepted, hypothesis 4 was rejected.