Ask a class to support a claim with evidence and you will see three things. Some students paste a long chunk of text. Some drop a quotation in with no setup. A few do it well, and they are usually the ones who were taught the steps explicitly.

The House on Mango Street is a natural place to teach those steps. The vignettes are short enough that students can reread one in five minutes, and the language is vivid enough that choosing a strong line feels like an actual decision. Cisneros also writes in a style where a single phrase can carry a whole mood.

The grading problem is that evidence looks fine at a glance. Almost every essay has quotation marks somewhere, so it is easy to give credit without checking whether the evidence fits the claim. A closer look means asking three questions about each quotation.

Here is a compact way to teach and score evidence use across a unit.

Teach Evidence as a Sequence of Moves

Present evidence as four small steps: set up the context, present the words, explain what they show, and connect back to the claim. When students see the sequence, they stop treating quotations as decorations. Modeling the steps on a live paragraph makes them stick.

• Does the quotation directly support the claim, or only sit near it?
• Is it short enough to focus on the key words instead of a whole paragraph?
• Is it introduced so the reader knows who is speaking and where it happens?
• Does the next sentence explain what the words show?
• Would a different vignette offer even stronger support?

Score Fit Before Format

A perfectly formatted quotation that doesn't support the claim is still weak evidence. Score the match between claim and quote first, then look at how smoothly it is woven in. Students quickly learn that a good fit matters more than a fancy lead-in.

It also helps to count how many different vignettes appear in the essay. An essay built entirely on one section can be strong, but it often means the student stopped reading after the first good find.

Give Feedback on the Explanation Sentence

The sentence after the quotation is where most essays succeed or fail. Feedback should aim there. A comment like "you quoted the line, now say what it shows about Esperanza" gives a specific target without doing the work for the student.

Since this weakness shows up in so many papers, it is a strong candidate for automation. An AI feedback tool working from your rubric can detect quotations that are followed by no explanation and flag them, leaving you to focus on the harder question of whether the reading itself is persuasive.

Let Students Practice on Each Other's Paragraphs

Swapping paragraphs and checking the four steps is a low-stakes way to build evidence skills. Students often catch problems in a classmate's writing that they miss in their own. The exercise also builds a shared vocabulary for talking about evidence.

By the end of a unit, most classes have a much sharper sense of what counts as evidence. That shift shows up in every essay after this one.