PhD Social work program - what kind of essay they require?

I am applying to five Phd schools in social work program but confused about writing an essay. I can;t understand what kind of essay they require as they name it different. They state it as

1.
A statement of interest demonstrating commitment to advanced
study in the field.

2. Calgery
educational goals and career expectations, and the research problem to be investigated thought the doctoral thesis; and,

3.Toronto
Study and Research Proposal: 10 pgs.

4. study plan

I am going to include my research proposal along with an essaybut can't figure out if all these essays demand same content or different. Could you plz help me out as I'm running out of time.

thanks

3 and 4 seem pretty much the same. 1 and 2 would presumably cover much the same sort of material, but also want you to talk about your personal educational goals and career plans. You can probably modify your research proposal a bit to tailor it to the exact wording in each prompt without too much work.

Yes, I totally agree with Sean, for whatever that is worth!

1.
A statement of interest demonstrating commitment to advanced
study in the field. This asks for your clear focus and specific plans

2. Calgery
educational goals and career expectations, and the research problem to be investigated thought the doctoral thesis; This asks for your research plan and future goals

3.Toronto
Study and Research Proposal: 10 pgs. This asks just for the plan.

4. study plan This asks just for the plan.

So, if you have the research proposal already, all you need is an essay about your "commitment to advanced study" and it should be useful for both # 1 and #2

Thanks Sean and Kevin!