This research is an evaluation study using the CIPP (Context, Input, Process, Produck). The data?s research come from the quantitative data that is reinforced by the qualitative data. Quantitative data obtained from a sample of students SMKN 5 Surakarta by 289 students through a questionnaire. Qualitative data obtained by interview, observation, and document analysis. Research sample was taken by purposive sampling techniques, such as students, vice-principal,teacher. The next two types of data were analyzed with descriptive analysis. The result research on the use of a school uniform in SMKN 5 Surakarta of every indicators evaluation as follows: (1)Context, (a)the use of school uniforms to discipline students when studying, and solution of the diversity of environmental conditions and socio-economically diverse student, (b)the use of school uniforms create discipline, (c)the use of school uniforms have been planned by the student, cooperatives and assisted by some of the students involved. (2)Input, (a)the basis of the use of school uniforms is sourced from Kep.Dikdasmen. N0. 100/C/Kep/1991, (b)handling capability of the school in the use of school uniforms with the schedule of teachers picket the disciplining of students each will go to the school environment, (c)the use of school uniforms allow the intimidation because students have not participated shoes uniform. (3)Process, there is no discipline students on program activities, so the school (all officers involved) extra work to curb student. (4)Product, (a)the use of school uniforms will continue to be applied in disciplinary program looking students (b)the influence of school uniforms, education that lasts such as Freire says, like bank style education.