Schedule refers to the work timetable planned over a definite period. It could be work to be done for the day giving starting and finishing times/ a teaching program from the teacher's or student's point of view. It could also refer to a major building project like building a sports arena/a motorway and so on. When we talk of a lot to be done, we call it a heavy schedule or if it's got to be done quickly, it's a tight schedule. If you are not keeping up, it's referred to as behind schedule and if you have time to spare, then you are ahead of schedule. An agenda is essentially the topics to be discussed at a meeting, written out and sent to members some days before the meeting is held. It has also passed over into general conversation and it wouldn't be unusual for someone to say on for example a day during a holiday to fellow holidaymakers: So what's on the agenda today? in other words: What are we planning to do today?

An agenda can mean either: a list of things to be done; or, it can mean an underlying plan or program. We can talk about a meeting agenda - a plan of things to be done during the meeting A politician or group may have an agenda - in such a case you might hear "hidden agenda" - some plan he wants to put forth that the person or group doesn't talk about. It usually has a negative flavor. A schedule is also a list or plan, but more closely associated with time. "The new house was completed on schedule"

Agenda..........a list of business matters. Schedule.......a lisl of a program to be done.

Agenda: A list, plan, outline, or the like, of things to be done, matters to be acted or voted upon, etc. Ex.The chairman says we have a lengthy agenda this afternoon. Schedule: A series of things to be done or of events to occur at or during a PARTICULAR TIME or period: EX: He always has a full schedule. SOURCE: Dictionary.com