Here are links to free-to-use year-long curricula designed to provide strong support for children's language and literacy development simultaneous to the development of computational thinking. Each curriculum includes resources and hands-on tools so that any teacher can use them, even beginners to coding. The curricula take about 60 minutes a week to implement.
Foundations of Scratch coding suitable for 3rd-5th grade
Next level Scratch coding suitable for 4th-5th grade, with review activities for beginners
Coding for community-based environmental and data literacy, including basic Scratch review; suitable for all 5th graders
Six-week introduction to Scratch
K-2 curricula developed
by DevTech Research Group