The most reputable investment banking schools are ones that produce a large number of analysts and have extensive alumni networks in the finance industry. These are usually referred to as target schools and bulge bracket banks that have analyst positions available in their programs for students from these schools.
For specific schools, Ivy league schools like Harvard and Yale are among the most well regarded for their ability to produce investment bankers (although this is a broad generalization). Other top ranked schools include Wharton at UPenn; Booth at Chicago; Stern at NYU; Kellogg at Northwestern; Darden at UVA and site link about more confidence with the best virtual data rooms Fuqua at Duke. Other schools with a reputation for excellence, such as Imperial College London and New York City’s Baruch College also make the list.
Alternately, you can take a class provided by Wall Street Prep which is used to train fresh hires at various bulge bracket investment banks. This course is highly recommended and covers a lot of basics in IB. It’s a great option for those looking to enter the business or are looking to increase their chances of success.
If you’re in the mood you can also find it on the edx website. If you don’t have the time to devote to an in depth course, it may be better to concentrate on getting some experience working on deals and doing financial modeling, perhaps via internships.