College rule (also known as medium ruled paper) is the most common lined paper in use in the World. It is generally used in middle school through to college and is also popular with adults.The horizontal spacing is 9/32" or 7.1mm. Trim sizes with a width over 6" include a margin ruled 1 1⁄4 inches (32 mm) from the left hand of the page. Smaller trim sizes do not include a margin.Ideal for school and homeschool assignments, journaling, planning, notes, to do lists, diary and organizing