Public charter school, K-8. Model School for Spanish dual immersion by the NJ Department of Education. Bilingual, biliterate, and bicultural. The Hoboken Dual Language Charter School (HoLa) is a free public elementary school for grades K thro HoLa’s curriculum reflects more than three decades of research in immersion education, integrates best practices of model dual language programs from across the country, and is designed to surpass state curriculum standards while providing the opportunity for students to become proficient in two languages.