# FEANEL: A Benchmark for Fine-Grained Error Analysis in K-12 English Writing

arXiv: https://arxiv.org/abs/2511.22883 · HTML: https://mlsanity.com/paper/2511.22883/

## Key facts

- No citing papers in the map yet (data through 14 Oct 2026).
- Builds on 23 of its 71 references that are in the map.
- First posted on arXiv 28 Nov 2025.

## Builds on (most cited first, 23 of 23)

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- [EssayJudge: A Multi-Granular Benchmark for Assessing Automated Essay Scoring Capabilities of Multimodal Large Language Models](https://mlsanity.com/paper/2502.11916/) (2025)
- [Re-Ex: Revising after Explanation Reduces the Factual Errors in LLM Responses](https://mlsanity.com/paper/2402.17097/) (2024)
- [Teach-to-Reason with Scoring: Self-Explainable Rationale-Driven Multi-Trait Essay Scoring](https://mlsanity.com/paper/2502.20748/) (2025)
- [Mind Scramble: Unveiling Large Language Model Psychology Via Typoglycemia](https://mlsanity.com/paper/2410.01677/) (2024)

## Abstract (arXiv)

Large Language Models (LLMs) have transformed artificial intelligence, offering profound opportunities for educational applications. However, their ability to provide fine-grained educational feedback for K-12 English writing remains underexplored. In this paper, we challenge the error analysis and pedagogical skills of LLMs by introducing the problem of Fine-grained Error Analysis for English Learners and present the Fine-grained Error ANalysis for English Learners (FEANEL) Benchmark. The benchmark comprises 1,000 essays written by elementary and secondary school students, and a well-developed English writing error taxonomy. Each error is annotated by language education experts and categorized by type, severity, and explanatory feedback, using a part-of-speech-based taxonomy they co-developed. We evaluate state-of-the-art LLMs on the FEANEL Benchmark to explore their error analysis and pedagogical abilities. Experimental results reveal significant gaps in current LLMs' ability to perform fine-grained error analysis, highlighting the need for advancements in particular methods for educational applications.