; (D) progresses in specificity (beginning with all aspects of an industry or career cluster and leading to more occupation-specific instruction); (E) has multiple entry and exit points that incorporate credentialing; and (F) culminates in the attainment of a recognized postsecondary credential. (7) Work based learning The term work based learning means sustained interactions with industry or community professionals in real workplace settings, to the extent practicable, or simulated environments at an educational institution that foster in-depth, firsthand engagement with the tasks required in a given career field, that are aligned to curriculum and instruction. (8) Recognized Postsecondary Credential The term recognized postsecondary credential has the meaning given the term in section 3 of the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3102 ). (9) Special Populations The term special populations means— (A) individuals with disabilities; (B) individuals from economically disadvantaged families, including low-income youth and adults; (C) individuals preparing for non-traditional fields; (D) single parents, including single pregnant women; (E) out-of-workforce individuals; (F) English learners; (G) homeless individuals described in section 11434a of title 42; (H) youth who are in, or have aged out of, the foster care system; and (I) youth with a parent who— (i) is a member of the armed forces (as such term is defined in section 101(a)(4) of title 10); and (ii) is on active duty (as such term is defined in section 101(d)(1) of such title).