A site that reviews the blackboards found in school-themed adult films for accuracy and educational level.
The handwriting is large and generally clear, even though this class appears to only have one student in it, and he sits at the very front. It might be worth advising the student to have his eyes tested if he is unable to read smaller text at this distance. Remember that poor learning may be as a result of poor vision – the student might not even be aware that he has a problem. If the teacher does keep her handwriting that size she will have to get a bigger whiteboard when she starts doing quadratic equations. Finally, when writing algebraic equations, it is preferable to do a more cursive x for the unknown symbol, to avoid confusion with a multiplication sign.