| Sheep on a Ship | Shaw, Nancy | Sheep in a Jeep | Kindergarten, |
| Sheep Out to Eat | Shaw, Nancy | Sheep in a Jeep | Kindergarten, |
| Sheep Take a Hike | Shaw, Nancy | Sheep in a Jeep | Kindergarten, |
| Sheep Trick or Treat | Shaw, Nancy | Sheep in a Jeep | Kindergarten, |
| Shell Game | Pearson, Ridley | Kingdom Keepers; 5 | Fifth Grade, |
| Shell, Beak, Tusk: Shared Traits and the Wonders of Adaptation | Heos, Bridget | | Third Grade, |
| Shh! We’re Writing the Constitution | Fritz, Jean | | Fourth Grade, |
| Shiloh | Naylor, Phyllis Reynolds | Shiloh Quartet; 1 | Fourth Grade, |
| Shiloh Christmas, A | Naylor, Phyllis Reynolds | Shiloh Quartet; 4 | Fourth Grade, |
| Shiloh Season | Naylor, Phyllis Reynolds | Shiloh Quartet; 2 | Fourth Grade, |
| Shine! | Grabenstein, Chris | | Fourth Grade, |
| Ship of Dolls | Parenteau, Shirley | Companion to Dolls of Hope | Fifth Grade, |
| Shocking World of Electricity with Max Axiom, Super Scientist, The | O'Donnell, Liam | Graphic Science | Third Grade, |
| Shoe Dog | McDonald, Megan | | Kindergarten, |
| Shoeshine Girl | Bulla, Clyde | | Second Grade, |
| Shooting Kabul | Senzai, N. H. | | Secondary, |
| Shore Road Mystery, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Short-Wave Mystery, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Show me the Honey | Rabe, Tish | Step into Reading | Second Grade, |
| Sick Day for Amos McGee, A | Stead, Philip C. | | Kindergarten, |
| Side By Side | Bright, Rachel | | Kindergarten, |
| Siege of Macindaw, The | Flanagan, John | Ranger's Apprentice ; 6 | Secondary, |
| Sign of the Beaver, The | Speare, Elizabeth George | | Fifth Grade, |
| Sign of the Crooked Arrow, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Sign of the Twisted Candles, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Silas Marner | Eliot, George | | Secondary, |
| Silent Boy, The* | Lowry, Lois | | Secondary, |
| Silly Doggy! | Stower, Adam | | Kindergarten, |
| Silver | Whelan, Gloria | | Third Grade, |
| Silver Bowl, The | Stanley, Diane | Silver Bowl Trilogy; 1 | Secondary, |
| Silver Chair, The | Lewis, C.S. | Chronicles of Narnia; 6 | Fifth Grade, |
| Silver Crown, The | O'Brien, Robert | | Fifth Grade, |
| Silver on the Tree | Cooper, Susan | Dark is Rising Sequence, The; 5 | Sixth Grade, |
| Silver Poets of the 16th Century | (null), (null) | | Secondary, |
| Silverlake Art Show | Green, Poppy | Adventures of Sophie Mouse; 13 | Second Grade, |
| Silverwing | Oppel, Kenneth | Silverwing Saga; 1 | Fourth Grade, |
| Simple Machines | Ward, D. J. | Let's-Read-and-Find-Out Science; Stage 2 | Second Grade, |
| Sing Down the Moon | O'Dell, Scott | | Secondary, |
| Single Shard, A | Park, Linda Sue | | Fifth Grade, |
| Sinister Sign Post, The | Dixon, Franklin W. | Hardy Boys, The | Fourth Grade, |
| Sink or Swim: A Novel of WWII | Watkins, Steve | | Sixth Grade, |
| Sir Cimference and the Sword in the Cone | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Circumference and the Off the Charts Desserts | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and All the Kings Tens | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and the Dragon of Pi | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and the First Round Table | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and the Fracton Faire | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and the Great Knight of Angleland | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and the Isle of Immeter | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and the Roundabout Battle | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Cumference and the Viking’s Map | Neuschwander, Cindy | Sir Cumference | Fifth Grade, |
| Sir Gawain and the Green Knight | anonymous, | | Secondary, |
| Sit-in : How Four Friends Stood up by Sitting Down | Pinkney, Andrea Davis | | Second Grade, |
| Sitting Ducks | Bedard, Michael | | First Grade, |
| Sitting Bull: Dakota Boy | Stevenson, Augusta | Childhood of Famous Americans | Third Grade, |
| Six Dots: A Story of Young Louis Braille | Bryant, Jennifer | | Second Grade, |
| Skating Shoes | Streatfeild, Noel | Shoe Books | Fifth Grade, |
| Skeeter | Smith, K. | | Secondary, |
| Skeleton Key | Horowitz, Anthony | Alex Rider Adventures; 3 | Secondary, |
| Skinny-Bones | Park, Barbara | | Third Grade, |
| Skulls! | Thornburgh, Blair | | First Grade, |
| Sky is Falling!, The | Teague, Mark | | Kindergarten, |
| Sky Jumpers | Eddleman, Peggy | Sky Jumpers; 1 | Sixth Grade, |
| Sky Phantom, The | Keene, Carolyn | Nancy Drew Mystery Stories | Fourth Grade, |
| Sky Raiders | Mull, Brandon | Five Kingdoms; 1 | Sixth Grade, |
| Skybreaker | Oppel, Kenneth | Airborn Adventures; 2 | Secondary, |
| Skylark | MacLachlan, Patricia | | Third Grade, |
| Skyscrapers | Romero, Libby | National Geographic Readers: Level 3 | Third Grade, |
| Skyward | Sanderson, Brandon | Skyward; 1 | Secondary, |
| Slake’s Limbo | Holman, Felice | | Secondary, |
| Slave Dancer, The | Fox, Paula | | Secondary, |
| Slaves of Socorro | Flanagan, John | Brotherband Chronicles ; 4 | Secondary, |
| Sleep Like a Tiger | Logue, Mary | | Kindergarten, |
| Sleeping Beauty | any author, | | First Grade, |
| Slippery Slope, The | Snicket, Lemony | Series of Unfortunate Events; 10 | Fifth Grade, |
| Sliver of Stardust, A | Burt, Marissa | | Sixth Grade, |
| Slugger’s Car Wash | Murphy, Stuart J. | | Second Grade, |
| Slumber Party Secret, The | Keene, Carolyn | Nancy Drew Notebooks | Second Grade, |
| Small Steps | Sachar, Louis | Companion to Holes | Fifth Grade, |
| Small Steps: The Year I Got Polio | Kehret, Peg | | Secondary, |
| Small Walt | Verdick, Elizabeth | Small Walt | Kindergarten, |
| Small Walt and Mo the Tow | Verdick, Elizabeth | Small Walt | Kindergarten, |
| Small Wonders: Jean-Henri Fabre and His World of Insects | Smith, Matthew Clark | | Second Grade, |
| Small Zombie Problem, A | Campbell, K. G. | Zombie Problems; 1 | Sixth Grade, |
| Smoky Night | Bunting, Eve | | Third Grade, |
| Smoky, the Cow Horse | James, Will | | Secondary, |
| Smuggler’s Island | Avi, | | Secondary, |
| Smugglers, The | Lawrence, Lain | | Secondary, |
| Snail and Worm All Day | Kügler, Tina | Snail and Worm | First Grade, |
| Snake Bite | Lane, Andrew | Sherlock Holmes: The Legend Begins; 5 | Secondary, |
| Snakehead | Horowitz, Anthony | Alex Rider Adventures; 7 | Secondary, |
| Snakes | Bishop, Nic | | Third Grade, |
| Snakes and Other Reptiles | Osborne, Mary Pope | Magic Tree House Research Guides | Second Grade, |
| Snakes Slither and Hiss | Lock, Fiona | DK Readers: Pre-Level 1 | Kindergarten, |
| Snakey Riddles | Hall, Katy | Katy Hall Riddle Books | Second Grade, |
| Snatchabook, The | Docherty, Helen | | Kindergarten, |
| Sneak | Angler, Evan | Swipe; 2 | Secondary, |
| Sneetches and Other Stories, The | Seuss, Dr. | | First Grade, |
| Sniffer Dogs: How Dogs (And Their Noses) Save the World | Castaldo, Nancy | | Sixth Grade, |
| Snow Leopards | Esbaum, Jill | National Geographic Kids: Explore My World | Kindergarten, |