3+3 Specifics: Supplemental Essay Strategies for Selective Applicants The strongest supplemental essays share one habit: they build a fit thesis from concrete nouns, specific courses, named labs, particular programs, instead of generic praise. Three tactical moves make that happen fast. Collect three academic specifics and three community specifics for each school before you write a word, reuse your structural templates across schools rather than recycling your details, and run a “swap test” on every draft to catch generic filler that could belong to any college. TL;DR: Gathering three academic specifics and three community details for each school ensures your essays demonstrate genuine fit rather than generic praise. Reusing structured content blocks with swapped specifics allows for efficient customization across schools without sounding repetitive or impersonal. Running a swap test by changing the school’s name in your draft helps identify filler and confirms your essay is tailored and specific. Primary sources like course catalogs, faculty pages, and program descriptions are essential for accurate, concrete details that support a strong fit thesis. A minimum of three school-spe