Articulation: Below is a chart for normal acquisition of speech sounds.

Communication: Below are some communication guidelines by grade level.

Kindergarten- http://www.asha.org/public/speech/development/kindergarten/

First Grade- http://www.asha.org/public/speech/development/firstgrade/

Second Grade- http://www.asha.org/public/speech/development/secondgrade/

Third Grade- http://www.asha.org/public/speech/development/thirdgrade/

Fourth Grade- http://www.asha.org/public/speech/development/fourthgrade/

Fifth Grade- http://www.asha.org/public/speech/development/fifthgrade/