This is one of the most used forms in my classroom! Whenever a student does something well or something that may need my attention, I write that information down on that student's "Student Observation Form." The notes contained in this form are useful when writing IEPs or for sharing with other stakeholders. It also helps to notice patterns related to time-of-day, subject area, peer relationships, or activity. This form can also be useful as reminders to contact guardians at a later time or as information for writing IEPs and report cards.
I kept these in a binder tabbed by each students' name. This allowed me to keep all forms and data collection for each student in one place. You may consider color coding these sheets by class periods, needs, students, or subject areas.
In the Notes Column, consider recording anecdotal data related to activity, grouping, teachers, associates, good behavior, concerning behavior, temperament, mood, response to instruction/direction, and things the student said.