| Stanley, Flat Again! | Brown, Jeff | Flat Stanley | Second Grade, |
| Stanley’s Plan: The Birthday Surprise | Green, Ruth | | Kindergarten, |
| Star Cloak, The | Rodda, Emily | Fairy Realm; 7 | Third Grade, |
| Star Fisher, The | Yep, Laurence | | Secondary, |
| Star Stuff : Carl Sagan and the Mysteries of the Cosmos | Sisson, Stephanie Roth | | First Grade, |
| Star-Spangled Banner, The | Spier, Peter | | Second Grade, |
| Starclimber | Oppel, Kenneth | Airborn Adventures; 3 | Secondary, |
| Starcrossed | Bunderson, Marilyn | | Secondary, |
| Stargazer | Carman, Patrick | Land of Elyon; 5 | Fifth Grade, |
| Stargazers | Gibbons, Gail | | First Grade, |
| Stargirl | Spinelli, Jerry | Stargirl; 1 | Sixth Grade, |
| Starry River of the Sky | Lin, Grace | | Fourth Grade, |
| Stars and Galaxies | Buckley, James, Jr. | | Second Grade, |
| Stars and Planets | Stott, Carole | Kingfisher Knowledge | Secondary, |
| Starsight | Sanderson, Brandon | Skyward; 2 | Secondary, |
| Starving Time, The | Hermes, Patricia | Elizabeth's Jamestown Colony Diary; 2 (My America) | Third Grade, |
| Statue of Liberty, The | Bauer, Marion Dane | | Kindergarten, |
| Statue of Liberty, The | Penner, Lucille Recht | | Second Grade, |
| Steadfast Tin Soldier, The | Rylant, Cynthia | | Second Grade, |
| Steamboat School | Hopkinson, Deborah | | Second Grade, |
| Steel Trapp: The Academy | Pearson, Ridley | Steel Trapp; 2 | Secondary, |
| Steel Trapp: The Challenge | Pearson, Ridley | Steel Trapp; 1 | Secondary, |
| Stef Soto, Taco Queen | Torres, Jennifer | | Sixth Grade, |
| Stellaluna | Cannon, Janell | | Second Grade, |
| Stellar Story of Space Travel, The | Lakin, Patricia | History of Fun Stuff | Third Grade, |
| Stepping on the Cracks | Hahn, Mary Downing | | Sixth Grade, |
| Stick out Your Tongue!: Fantastic Facts, Features, and Functions of Animal and Human Tongues | Bonsignore, Joan | | Third Grade, |
| Sting of the Scorpion, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Stolen Crown, The | Howard, Eva | League of Archers; 2 | Sixth Grade, |
| Stone Age | Janulis, Klint | DK findout! | Fourth Grade, |
| Stone Fox | Gardiner, John Reynolds | | Fourth Grade, |
| Stone Soup | Brown, Marcia | | Kindergarten, |
| Stones in Water | Napoli, Donna Jo | | Secondary, |
| Stones of Horsch, The | Wagner, Mckenzie | Benotripia; 2 | Third Grade, |
| Stories | Henry, O. | | Secondary, |
| Storm Blown | Courage, Nick | | Fifth Grade, |
| Storm Runners | Smith, Roland | Storm Runners; 1 | Fifth Grade, |
| Storm Warning | Park, Linda Sue | 39 Clues (original); 9 | Sixth Grade, |
| Storm Warriors | Carbone, Elisa Lynn | | Fifth Grade, |
| Stormbreaker | Horowitz, Anthony | Alex Rider Adventures; 1 | Secondary, |
| Storms | Berger, Melvin | True or False | First Grade, |
| Storms! | Goin, Miriam | National Geographic Readers: Level 1 | First Grade, |
| Stormy, Misty’s Foal | Henry, Marguerite | Misty of Chincoteague; 3 | Fourth Grade, |
| Story a Story, A | Haley, Gail E. | | First Grade, |
| Story About Ping, The | Flack, Marjorie | | Kindergarten, |
| Story of Babar, The | Brunhoff, Jean de | Babar the Elephant | Second Grade, |
| Story of Buildings, The | DiCamillo, Kate | | Secondary, |
| Story of Coding, The | Kelly, James F. | DK Readers Level 2 | Second Grade, |
| Story of Ferdinand, The | Leaf, Munro | | Kindergarten, |
| Story of Jumping Mouse, The (Native American) | any author, | | Kindergarten, |
| Story of Ruby Bridges, The | Coles, Robert | | Third Grade, |
| Story of the Statue of Liberty, The | Maestro, Betsy | | Second Grade, |
| Stranded | John, Laurie | | Secondary, |
| Strange Message in the Parchment, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Stranger Next Door, The | Kehret, Peg | | Sixth Grade, |
| Strangers in Atlantis | Myklusch, Matt | Seaborne; 2 | Sixth Grade, |
| Strangers, The | Haddix, Margaret Peterson | Greystone Secrets; 1 | Sixth Grade, |
| Strawberry Girl | Lenski, Lois | | Third Grade, |
| Streams to the River, River to the Sea | O'Dell, Scott | | Secondary, |
| Strega Nona | DePaola, Tomie | Strega Nona | Third Grade, |
| Strega Nona and Her Tomatoes | DePaola, Tomie | Strega Nona | Third Grade, |
| Strega Nona Meets Her Match | DePaola, Tomie | Strega Nona | Third Grade, |
| Strega Nona Takes a Vacation | DePaola, Tomie | Strega Nona | Third Grade, |
| Strega Nona: Her Story | DePaola, Tomie | Strega Nona | Third Grade, |
| Strega Nona’s Harvest | DePaola, Tomie | Strega Nona | Third Grade, |
| Strega Nona’s Magic Lessons | DePaola, Tomie | Strega Nona | Third Grade, |
| Strictly No Elephants | Mantchev, Lisa | | Kindergarten, |
| Strider | Cleary, Beverly | | Fourth Grade, |
| Strike of the Sweepers | Whitesides, Tyler | Janitors; 4 | Fifth Grade, |
| Strike Three | Bee, Clair | Chip Hilton | Secondary, |
| Strong Inside (Young Readers Edition): The True Story of How Perry Wallace Broke College Basketball’s Color Line | Maraniss, Andrew | | Secondary, |
| Strongheart: Wonder Dog of the Silver Screen | Fleming, Candace | | Fourth Grade, |
| Stuart Little | White, E.B. | | Fourth Grade, |
| Stubby the War Dog : The True Story of World War I ‘s Bravest Dog | Bausum, Ann | National Geographic Kids | Sixth Grade, |
| Sugar | Rhodes, Jewell Parker | | Fifth Grade, |
| Sugary Secrets Behind Candy, The | O'Ryan, Ellie | Science of Fun Stuff | Third Grade, |
| Summer of My German Soldier | Greene, Bette | | Sixth Grade, |
| Summer of the Monkeys | Rawls, Wilson | | Sixth Grade, |
| Summer of the Sea Serpent | Osborne, Mary Pope | Magic Tree House; 31 | Second Grade, |
| Summer of the Swans, The | Byars, Betsy | | Fifth Grade, |
| Summer Reading is Killing Me! | Scieszka, Jon | Time Warp 'Trio | Fourth Grade, |
| Summer Wheels | Bunting, Eve | | First Grade, |
| SumoKitty | Biedrzycki, David | | Second Grade, |
| Sun and Moon, Ice and Snow | George, Jessica Day | | Secondary, |
| Sun Is Kind of a Big Deal, The | Seluk, Nick | | Third Grade, |
| Sun up, Sun Down | Gibbons, Gail | | Second Grade, |
| Sundae Scoop, The | Murphy, Stuart J. | | First Grade, |
| Sundiata: Lion King of Mali | Wisniewski, David | | Fourth Grade, |
| Sunflower: On the Possibilities and Limits of Forgiveness, The | Wiesenthal, Simon | | Secondary, |
| Sunset of the Sabertooth | Osborne, Mary Pope | Magic Tree House; 7 | Second Grade, |
| Sunshine Makes the Seasons | Branley, Franklyn Mansfield | Let's-Read-and-Find-Out Science; Stage 2 | Kindergarten, |
| Sunwing | Oppel, Kenneth | Silverwing Saga; 2 | Fourth Grade, |
| Super Sand Castle Saturday | Murphy, Stuart J. | | First Grade, |
| Super Stars: The Biggest, Hottest, Brightest, and Most Explosive Stars in the Milky Way | Aguilar, David A. | National Geographic Kids | Fifth Grade, |
| Superstar Story of the Harlem Globetrotters, The | Dobrow, Larry | History of Fun Stuff | Third Grade, |
| Surge | Smith, Roland | Storm Runners; 2 | Fifth Grade, |
| Surprise Island | Warner, Gertrude Chandler | Boxcar Children, The (originals); 2 | Third Grade, |
| Surprise Visitor, A | Green, Poppy | Adventures of Sophie Mouse; 8 | Second Grade, |
| Surprises | Hopkins, Lee Bennett | | Second Grade, |
| Surprising Stories Behind Everyday Stuff | Drimmer, Stephanie Warren | National Geographic Kids | Fifth Grade, |
