This model provides instruction for all subjects in English with Primary Language Support for students with less than reasonable fluency.  Students are taught structured, sequential English Language Development (ELD) and other core subject by authorized teachers using district-adopted textbooks and supplementary materials.  Instruction is based on ELD and grade level content standards.  Structured English Immersion is typically indicated for students with an overall ELPAC score of Minimally Developed (Level 1), Somewhat Developed (Level 2), or lower levels of Moderately Developed (Level 3).  The SEI program is currently available at all schools in Oxnard School District.  Beginning in Kindergarten for the 2018-19 this program is only available at Rose Avenue, Marina West, McAuliffe, Marshall, Richen, Brekke, Lemonwood, Sierra Linda, Soria, Frank, Fremont and Haydock.