You must choose only one of the merit badges listed in categories h, i, and k. Any additional merit badge(s) earned in those categories may be counted as one of your eight optional merit badges used to make your total of 21.
While a Life Scout, plan, develop, and give leadership to others in a service project helpful to any religious institution, any school, or your community. (The project must benefit an organization other than the Boy Scouts of America.) A project proposal must be approved by the organization benefiting from the effort, your unit leader and unit committee, and the council or district before you start. You must use the Eagle Scout Service Project Workbook, BSA publication No. 512-927, in meeting this requirement.
—Eagle Scout requirement 5
Boy Scouting ranks: Scout badge • Tenderfoot • Second Class • First Class • Star Scout • Life Scout • Eagle Scout Award
Varsity Scouting awards: Varsity Scout Letter • Denali Award