| Abbreviation | Definition |
|---|---|
| SDLI | Self Directed Learning Instrument |
| SDLL | Self directed lifelong learning |
| SDLL | Service, Dedication, and Lifelong Learning |
| SDLT | Serial Digit Learning Test |
| SDQ | Student Descriptive Questionnaire |
| SDR | Stop, Drop, and Read |
| SDSEO | Sub Divisional School Education Officer |
| SDT | Show Don't Tell |
| SDTA | Scottish Dance Teachers' Alliance |
| SDTA | Sequoia District Teachers Association |
| SDTC | Social Development Training Center |
| SDU | School Data Uploads |
| SDU | Staff Development Unit |
| SE | Science Everywhere |
| SE | Sex Education |
| SE | Special Education |
| SE | Standard Error |
| SE | Student Exercises |
| SE | Super Effective |
| SEA | Science Education Adventure |