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Bell Schedule

The Bell Schedule domain represents the class period scheduling in a day or over a course of days. The model is meant to accommodate a wide variety of bell schedules, including block schedules, as follows:

  • Sections are assigned a “logical” ClassPeriod, which represents the basic unit for scheduling that section.
  • A BellSchedule defines the MeetingTimes (time of the day) for each logical ClassPeriod. ClassPeriod does not have to meet every day and specific meeting days are defined in BellSchedule by the CalendarDate.
  • The association between BellSchedule and CalendarDate indicates in which days of the Session the BellSchedule was in effect. This allows the school to have a BellSchedule that is special for a specific day, such as for a testing day or a late-start day.
  • A School may have multiple BellSchedules defined, and may have different BellSchedules on the same calendar time period (e.g., for different grades).

Bell Schedule Model Entities



This entity represents the schedule of class period meeting times.


This entity represents a day in the school calendar.


This entity represents the designation of a regularly scheduled series of class meetings at designated times and days of the week.


This entity represents any public or private institution, organization, or agency that provides instructional or support services to students or staff at any level.


This entity represents the set of elements defining the meeting time for a class period.


This entity represents an individual for whom instruction, services, and/or care are provided in an   early childhood, elementary, or secondary educational program under the jurisdiction of a school, education agency or other institution or program. A student is a person who has been enrolled in a school or other educational institution.


This entity represents a setting in which organized instruction of course content is provided, in-person or otherwise, to one or more students for a given period of time. A course offering may be offered to more than one section.


This entity represents the prescribed span of time when an education institution is open, instruction is provided and students are under the direction and guidance of teachers and/or education institution administration. A session may be interrupted by one or more vacations.

Bell Schedule Model

UDM Documentation Contents

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