Library materials in the Kidsploration Library are classified by subjects according to the Library of Congress classification scheme. A call number is assigned to each resource, which is shelved accordingly.
Library of Congress classification outline
| Class | Subjects |
| A | GENERAL WORKS |
| B | PHILOSOPHY. PSYCHOLOGY. RELIGION |
| C | AUXILIARY SCIENCES OF HISTORY |
| D | WORLD HISTORY AND HISTORY OF EUROPE, ASIA, AFRICA, AUSTRALIA, NEW ZEALAND, ETC. |
| E - F | HISTORY OF THE AMERICAS |
| G | GEOGRAPHY. ANTHROPOLOGY. RECREATION |
| H | SOCIAL SCIENCES |
| J | POLITICAL SCIENCE |
| K | LAW |
| L | EDUCATION |
| M | MUSIC AND BOOKS ON MUSIC |
| N | FINE ARTS |
| P | LANGUAGE & LITERATURE |
| Q | SCIENCE |
| R | MEDICINE |
| S | AGRICULTURE |
| T | TECHNOLOGY |
| U | MILITARY SCIENCE |
| V | NAVAL SCIENCE |
| Z | BIBLIOGRAPHY. LIBRARY SCIENCE. INFORMATION RESOURCES (GENERAL) |