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Third Grade

Third grade is a transitional year that sees children through huge leaps in physical, social, emotional, and cognitive growth. It is a time of rapid growth and development - and it is an appropriate time to encourage and support the independence children are ready for and seeking. 

Third Grade Curriculum Highlights

The third grade curriculum allows children to expand their views through the humanities where social studies and language arts align.  

  • Students also have many opportunities to further develop their individual “voice” by writing for a variety of purposes: to persuade, to describe, to tell a story, and to report information.
  • Our science curriculum bolsters students' analysis and critical thinking skills with our units that range from studies of rocks and minerals to motion and design.
  • Math builds on the concepts and skills presented in second grade with an emphasis on multiplication, division, and fractions. 
  • Special field trips and hands-on learning opportunities include visits to the Sterling Mine and Churchville Nature Center.


Third Graders Learned to Look Past the Surface
Chapin School Princeton parent and Princeton University Lecturer in the Department of Molecular Biology, Dr. Jodi Schottenfeld-Roames visited Chapin's third grade science classes while students were learning about the human skeletal system.

Students dissected Owl pellets to see what kinds of bones they could find inside (the bones are usually from rodents such as mice, moles, voles, shrews, etc.). After dissection, Dr. Schottenfeld-Roames helped the students use a microscope projected on the screen to see which bones looked similar to bones in the human body. It turns out that the ribs, scapula, pelvis, and several other bones have a similar look and function in rodent skeletons.