Recently added and reviewed data sources in the RAG Repo directory.https://rag-repo.org/https://rag-repo.org/source/achievement-standards-network/https://rag-repo.org/source/achievement-standards-network/Machine-readable curriculum standards from US states, national bodies and other jurisdictions, modelled as an RDF graph of URI-addressable learning objectives with cross-jurisdiction alignments. Now run by D2L and free to use.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/agieval/https://rag-repo.org/source/agieval/8,062 questions drawn from 20 official standardised exams (SAT, LSAT, GMAT, GRE, Gaokao, AMC/AIME and more) in English and Chinese, packaged as a human-centric benchmark for evaluating foundation models.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/big-math-rl-verified/https://rag-repo.org/source/big-math-rl-verified/A verified maths bank of 251,122 problems, each filtered to a single checkable answer and tagged with a model solve-rate as an empirical difficulty signal. Built by SynthLabs and released under Apache 2.0.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/bridge-math-remediation/https://rag-repo.org/source/bridge-math-remediation/700 real grade 2 to 8 maths tutoring snippets, each pairing a novice tutor turn with an expert's revised response plus annotated error, strategy and intention. Models expert remediation decisions. Non-commercial (CC BY-NC 4.0).Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/cefr-descriptors/https://rag-repo.org/source/cefr-descriptors/The Council of Europe's 2020 CEFR Companion Volume descriptor set, the de facto international standard for levelling language proficiency from Pre-A1 to C2. A spine of can-do statements for sequencing and grading language teaching.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/cefr-j-english-profile/https://rag-repo.org/source/cefr-j-english-profile/Open datasets from Tono Lab at TUFS mapping English vocabulary and grammar to fine-grained CEFR-J sub-levels, from A1 to C2. Grade words and structures by level and gauge text difficulty for language tutoring.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/clear-corpus/https://rag-repo.org/source/clear-corpus/Around 5,000 reading passage excerpts levelled for grades 3 to 12, each labelled with multiple readability indices and teacher difficulty ratings. Built by CommonLit and Georgia State University to match text to a reader's level. Non-commercial licence.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/curriculum-for-excellence/https://rag-repo.org/source/curriculum-for-excellence/Scotland's national curriculum framework from Education Scotland: Experiences and Outcomes across eight curriculum areas plus per-area Benchmarks defining the national standard at each level. Web pages and PDFs, not a structured dataset.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/ednet/https://rag-repo.org/source/ednet/A large public dataset of student interactions with Santa, an AI TOEIC tutoring app from Riiid. It records over 131 million logged actions from more than 784,000 learners, and is the standard benchmark corpus for knowledge tracing and mastery modelling.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/eedi-mining-misconceptions/https://rag-repo.org/source/eedi-mining-misconceptions/Kaggle competition dataset of school diagnostic maths multiple-choice questions whose wrong-answer distractors are each mapped to a named misconception, letting a system diagnose why an answer was chosen rather than only marking it. Non-commercial licence.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/junyi-academy/https://rag-repo.org/source/junyi-academy/Over 16 million maths practice attempts from more than 72,000 students on Junyi Academy, a Taiwanese learning platform, paired with an expert-labelled exercise prerequisite and concept graph for knowledge tracing.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/mrac-australian-curriculum/https://rag-repo.org/source/mrac-australian-curriculum/ACARA's Australian Curriculum version 9 published as linked open data: RDF/XML, JSON-LD and a SPARQL endpoint, with stable URIs for learning areas, content descriptions and achievement standards. A rare, genuinely machine-readable national curriculum.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/mathdial/https://rag-repo.org/source/mathdial/About 2,861 one-to-one maths tutoring dialogues grounded in GSM8K word problems, each built around a student's wrong answer and annotated with pedagogical teacher moves. A model of how to guide a learner to the solution, not just hand it over.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/mathtutorbench/https://rag-repo.org/source/mathtutorbench/An EMNLP 2025 benchmark that scores the teaching ability of LLM maths tutors (scaffolding, Socratic questioning, mistake location and correction) using a trained pedagogical reward model, not just answer accuracy.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/mmlu-pro/https://rag-repo.org/source/mmlu-pro/A reasoning-focused benchmark of 12,032 multiple-choice questions across 14 disciplines, with up to 10 answer options each. A harder, higher-quality successor to the original MMLU.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/numinamath/https://rag-repo.org/source/numinamath/Roughly 860,000 competition mathematics problems, each paired with a worked, step-by-step chain-of-thought solution. Built by Project Numina and released under Apache 2.0.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/omni-math/https://rag-repo.org/source/omni-math/4,428 olympiad-level competition maths problems, each with a human-annotated solution, tagged across 33-plus sub-domains and ten difficulty levels. A graded, elite-tier benchmark for maths reasoning and for stretching advanced learners.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/onestopenglish/https://rag-repo.org/source/onestopenglish/A parallel corpus of 189 Guardian articles, each rewritten at three English reading levels (Elementary, Intermediate, Advanced), giving 567 aligned texts. Built for readability assessment and text simplification research.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/phet-interactive-simulations/https://rag-repo.org/source/phet-interactive-simulations/Over 125 free interactive maths and science simulations from CU Boulder, plus a searchable bank of grade-tagged teacher activities and lesson plans covering physics, chemistry, biology, earth science and maths.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/pslc-datashop/https://rag-repo.org/source/pslc-datashop/CMU LearnLab repository of intelligent-tutoring-system interaction data, with step-level student logs coded against knowledge components. Research-only terms; a free account and per-dataset permissions gate access.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/scienceqa/https://rag-repo.org/source/scienceqa/21,208 grade 1-12 multiple-choice science questions, most paired with a grounded lecture and a worked explanation across natural, language and social science. Level-graded teaching material for RAG and AI tutors.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/simple-english-wikipedia/https://rag-repo.org/source/simple-english-wikipedia/A Wikimedia encyclopaedia of roughly 285,000 articles written in simplified English with shorter sentences and plainer vocabulary. A low-reading-level knowledge base, available as full database dumps like other Wikimedia projects.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/tatoeba/https://rag-repo.org/source/tatoeba/A community-built bank of short example sentences with translations across more than 400 languages, released as free bulk CSV downloads. A ready supply of level-appropriate sentence pairs for language tutoring and translation practice.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/new-zealand-curriculum/https://rag-repo.org/source/new-zealand-curriculum/New Zealand's official national curriculum on the Ministry of Education's Tahurangi hub: Te Mataiaho (the English-medium New Zealand Curriculum) and Te Marautanga o Aotearoa (the Maori-medium curriculum), with phase-by-phase structure and year-level progress markers across Years 0 to 10.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/ontario-curriculum/https://rag-repo.org/source/ontario-curriculum/Ontario's official curriculum expectations for Grades 1 to 12, published by the province's Ministry of Education. A major Canadian jurisdiction's standards, browsable by grade and strand, with machine-readable copies via ASN.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/wikibooks/https://rag-repo.org/source/wikibooks/Free, collaboratively written open textbooks from the Wikimedia Foundation, organised by subject into books and chapters, including the age-banded Wikijunior strand for children. Available as full monthly database dumps and via API.Thu, 17 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/case-network/https://rag-repo.org/source/case-network/A public registry of machine-readable learning-standard frameworks from all 50 US states and other issuing agencies, run by 1EdTech in the CASE JSON format. The digitally referenceable spine of what to teach, at which level and in what order, rather than the teaching content itself.Tue, 15 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/ck-12/https://rag-repo.org/source/ck-12/Free K-12 library of customisable FlexBook textbooks, strong in maths and science, with adaptive practice, interactive simulations and study guides, organised by grade level and aligned to state standards. Non-commercial licence.Tue, 15 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/common-core/https://rag-repo.org/source/common-core/The US Common Core State Standards for English language arts and mathematics, defined grade by grade from kindergarten to grade twelve. A widely adopted curriculum framework, available in machine-readable form through ASN and CASE.Tue, 15 Sep 2026 00:00:00 GMThttps://rag-repo.org/source/khan-academy/https://rag-repo.org/source/khan-academy/A free nonprofit learning platform organised as a subject-to-skill knowledge tree across maths, science, economics and the humanities, from primary through early college. Videos, articles and mastery-based exercises, but non-commercial licensing and no public data API.Tue, 15 Sep 2026 00:00:00 GMT