K-5 Chinese immersion eClass is specially designed for Chinese immersion programs. It is developed according to ACTFL Language Proficiency Standards and Guidelines along with Common Core State Standards to meet the challenges of Chinese immersion education. Developed and written by experienced, mainstream immersion experts and teachers, this program provides educators with second language teaching pedagogy and authentic language and Common Core teaching materials. It is also enriched with animated texts and interactive games to attract and interest learners and to differentiate their learning of Chinese language and culture. eChinese eClass platform inclusive of digital multimedia teaching material, supplementary teaching resources and application tools, as well as teaching and assignment management system, meets the needs of teachers' online teaching, students' post-lesson exercises and independent learning. Teachers conduct online teaching through the platform, assign homework or learning tasks to students, view and keep track of student learning and homework completion. Students attempt and submit the homework and learning task assigned by the teacher and submit online.