Visual Reasoning Benchmark: Evaluating Multimodal LLMs on Classroom-Authentic Visual Problems from Primary Education. - Mohamed Huti; Alasdair Mackintosh; Amy Waldock; Dominic Andrews; Maxime Lelièvre; Moritz Boos; Tobias Murray; Paul Atherton; Robin A. A. Ince; Oliver G. B. Garrod (CoRR, 2026)