Do all essays require a thesis

Yes.

An essay is a piece of writing in which you express your opinion about a particular topic. If you don't have a true thesis statement, then you're probably just reporting facts or you're writing a diary!

Here is information about thesis statements:

A thesis statement must include factual information plus your position/opinion/stance. Without your position on the topic, it isn't a true thesis statement. So think of this sentence as the angle you want to take on the topic and what you intend to prove by the end of your paper. (If your statement is simply factual, then there's nothing to prove!)

http://blog.eduify.com/index.php/2009/06/21/5-tips-on-how-to-write-a-strong-thesis-statement/
Read carefully and follow ALL directions.

http://leo.stcloudstate.edu/acadwrite/thesistatement.html
This is one of the very best places I've seen online to help students write good thesis statements. It shows you sentences that aren't thesis statements and how to turn each one into real thesis statements.

Yes, most essays require a thesis statement. A thesis statement is a clear and concise summary of the main argument or point of your essay. It outlines the purpose or focus of your essay and provides direction for the reader.

To determine if your essay requires a thesis, consider the type and purpose of your essay. In academic writing, such as research papers or argumentative essays, a thesis statement is typically necessary. This helps to establish the central argument you will be making and guide the reader through your essay.

However, not all essays follow the same structure or requirements. Some types of essays, such as descriptive or narrative essays, may not require a formal thesis statement. Instead, these essays may focus on storytelling, conveying information, or painting a vivid picture for the reader.

In any case, it is always important to have a clear and well-defined main idea or argument in your essay. Whether it is explicitly stated in a thesis statement or woven throughout the essay, a strong focus and purpose will help make your writing more engaging and effective.