566 Answer Corpus by ESL students (CREE-free r6478)

Reading comprehension questions answered by students learning English as a Second Language (ESL).
"[The corpus] Contains 566 responses by intermediate ESL students to short-answer comprehension questions. The responses were written as part of the regular homework assignments, where students had access to their textbooks, and typically are one to three sentences in length. Collection took place in two different classes at the same level – intermediate reading/writing course offered at The Ohio State University to students who need to improve their English to advance to regular college classes. Each course involved different teachers and students and each teacher created their own exercises, with some of the texts overlapping. The material from the first course was designated the development set, and that from the second course the test set. The development set contains 311 responses from 11 students nswering 47 different questions, while the test set contains 255 responses from 15 students to 28 questions." (Meurers, Ziai, Ott & Bailey, 2011)
The "free" does not contain the reading texts. It is available upon request under the terms of CC BY-NC-SA 3.0