To begin teaching a teacher needs to appraise their students in a realistic and individualized way. To evaluate the pupils during a sport course, tools of bodily measurement (weight, height) and suitable motor tests are used. The survey of the students characteristics must be performed at the beginning, in the middle and at the end of the Judo course. At the opening the measurements are taken for a consistent evaluation of the qualities of the subjects to program a suitable teaching plan. Then at the half period to verify if the plan is meeting the objectives and finally at the end to check if those objectives have been achieved. In the school everything is more complicated compared to the gym because of the non homogeneity of the students. In a gym Judo course there are also genetic differences between the students, but at school the pupils come from different motor - sport experiences. Another problem to consider is the lack of materials and human resources available at the school. This research has been tested for 3 years in a primary school (children from 5 to 11 years old). Our work has been to develop a valid test to understand what are the most appropriate measurements and how to build simple test instruments, and to make them usable in a school context. The measurements selected to have a profile of the student were: 1. Individuals birth date 2. Height and weight 3. Back flexibility 4. Balance 5. Explosive lower body strength 6. Agility Conclusion: after three years of research the measurements selected have easy availability and simple application. Thanks to their use the teacher is able to make a valid plan and meet the objectives.