The books in the Sierra Vista Library Media Center are arranged by the Dewey Decimal System. The system arranges the non-fiction books according to subject.
| 000-099 | General Works | Encyclopedias, Guinness Book of Records, Computer books |
| 100-199 | Psychology and Philosophy | |
| 200-299 | Religion and Mythology | |
| 300-399 | Social Science | Law, government, women, drugs as a social issue, weapons, costume |
| 398.2 | Folk and Fairy Tales | |
| 400-499 | Language | Dictionarys |
| 500-599 | Pure Science | Physics, Chemistry, Astronomy, Biology, Animals (wild) |
| 600-699 | Applied Science | Health, aviation, cook books, domesticated animals, gardening |
| 700-799 | Arts and Recreation | Fine arts, theatre, music, dance, magic, games, and sports |
| 800-899 | Literature | Books on writing, poetry, plays |
| 900-999 | Geography and History | Atlases, history |
| 921 | Biography |