1. (a) A dual language immersion program must address all curriculum requirements specified in Chapter 74, Subchapter A, of this title (relating to Required Curriculum) to include foundation and enrichment areas.
2. (b) A dual language immersion program shall be a full-time program of academic instruction in English and another language.
3. (c) A minimum of 50% of instructional time must be provided in the language other than English.
4. (d) The minimum enrollment requirement of limited English proficient (LEP) students in a dual language immersion program should be the lesser of 30% of the students in the class, or all LEP students served in that grade at that campus.

5. (e) Program implementation should:

   1. (1) begin at prekindergarten, kindergarten, or Grade 1, as applicable;
   2. (2) continue without interruption incrementally through the elementary grades; and
   3. (3) consider expansion to middle school and high school whenever possible.
6. (f) A school district serving LEP students in a dual language immersion program must meet the requirements stipulated in the Texas Education Code, §29.051, and Subchapter BB of this chapter (relating to Commissioner's Rules Concerning State Plan for Educating Limited English Proficient Students).
7. (g) A dual language immersion program shall be developmentally appropriate and based on current best practices research.
8. (h) A dual language immersion program shall use state-adopted instructional materials as specified in §89.1210 of this title (relating to Program Content and Design).

Source Note:The provisions of this §89.1605 adopted to be effective July 23, 2007, 32 TexReg 4548.