Del. Code 14, § 1401 : Education — Procedures For The Termination Of Services Of Professional Employees — General Provisions — Definitions Date: 2 Sep 2016 TEXT PDF Current through 2016 Legislative Session, Act 399 As used in this chapter: (1) "Board" means a board of education of a reorganized school district. (2) "Teacher" means any certificated professional employee of a public school district. It shall not include a person employed as assistant principal, principal, supervisor, administrative assistant, director, assistant superintendent or superintendent; except that any such person who has completed 3 years of service in the State, 2 years of which shall have been in the employ of the same board, may at that person's own option elect to be assigned as a teacher in the employ of said board. Del. C. § 1401 14 Del. C. 1953, § 1401; 50 Del. Laws, c. 39, § 1; 56 Del. Laws, c. 64; 57 Del. Laws, c. 113; 57 Del. Laws, c. 263, § 1; 66 Del. Laws, c. 255, §1; 70 Del. Laws, c. 186, § 1.;