Do not abbreviate alley, drive, road, etc.
Alumni also refers to groups of men and women.
Using the year after the name implies the person is a graduate of the School and takes the place of degrees conferred by that School. For alumni who did not graduate, the text should specify the years of their attendance. Ensure means to make certain or guarantee. Insure means to contract to pay or be paid money in the case of a loss. In general, it is best to format each list so its structure is parallel.