DLI 50:50

Also called Two-Way Bilingual Immersion

  • Promotes bilingualism and biliteracy (English plus target language) and positive cross-cultural attitudes and behavior.
  • Whole school day program in elementary; continues as course in secondary.
  • Maintains 50% of instruction in target language and 50% in English throughout elementary
  • In secondary grades, some courses remain in target language. Integrates native English speakers and speakers of the target language – providing instruction in both languages to all students together.

    • Target Students

    English Learners and English-dominant students, in grades K-12

  • 50% English-dominant and 50% target language speakers, grades K-12
  • Most effective when started in Kindergarten
  • Students and families dedicated to maintaining enrollment for 5-6 years
  • 50% of instructional time in English, all grades
  • 50% of instructional time in Spanish, all grades

    • Teacher Requirements 
  • Bilingual Authorization/BCLAD/BCC
    • Source: The California Campaign for Biliteracy
    KEY CHARACTERISTICS OF ALL
    QUALITY LANGUAGE LEARNING MODELS

    Regardless of the specific program model, the key characteristics summarized below should be reflected across all language learning options:

    • Integration of language and culture
    • Active engagement and meaningful interaction
    • Contrastive analysis to build linguistic and cultural diversity within an affirming climate
    • Standards-aligned curriculum and high quality instructional materials, as well as exposure to authentic language models and texts.
    • Valid and appropriate assessment
    • Age appropriate instruction differentiated and scaffolded for different levels of language proficiency
    • Systemic professional development and support for teachers
    • Use of technology integrated into teaching and learning