To determine the educational levels we used AIMSWEB. We used DIBLES but it doesn't consist of math, so we decided to switch to AIMSWEB. AIMSWEB consists of three benchmarks, one in autumn, one in winter and one in spring. I love AIMWEB because you can do so much with it and really see how much a student has improved, it also creates graphs that you can print and share with other professionals. One thing I love about AIMSWEB is that it's all together, it's not all scattered everywhere and it's very easy to use. Towards the end of September we print the report cards of the students who use AIMSWEB and define the groups for the teachers of the