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- National Merit Semifinalist & Commended Student Recognition
- Speech and Debate Winners
- Varsity Girls Tennis Team - back-to-back Long Island Champs
- Varsity Cheerleaders County Championship
- National Recognition for Cold Spring Harbor
- U.S. News & World Report 2023 Best High School Rankings
- Tri-M Music Honor Society Induction
- Scholar Artist Merit Recipient
- National Merit Semifinalists!
- Hispanic Heritage Proclamation Awards
- Dr. Michael Andrews Receives Award for Excellence in Teaching!
- Debate Honors
- BOCES Most Innovative Use of Technology Award Congratulations Erica Fraiberg
- Research Program has attained many awards and achievements
- Junior Book Awards
- University of Rochester Awards
- The Exemplary Service Award
- Music Awards
- All State Track
- Bronze Medal Crew
- State Lacrosse Champs
- Athletic Awards
- Debate Award
- Administrator of the Year Award - Christine Oswald
- ExploraVision National Science Competition
- Athletic -Award of Excellence
- Research Awards
- Speech & Debate Awards
- Cyberhawks -2023 FIRST LI Regional Winners!
- Harvard Club Distinguished Teacher Awards
- National Merit Finalist
- Music in Our Schools - LISFA Recognitions
- National Honor - Choir
- Girls Varsity Track Team - County Champions!
- Speech Awards
- Debate Awards
- ART Honors - 24th Annual Colors of Long Island Student Exhibition
- ASSET Award - Whitney O'Donnell
- Coach of the year - Melissa McLees
- Coach of the Year - Christian Lynch
- Coach of the Year - Gary Renart
- Debate Honors - Qualifying for States
- Math Scholar Award
- Athletic Award
- Proclamation Awarded
- Varsity Boys Soccer Team
- Science Honors “Published” Barcode Long Island Symposium
- National World Language Honor Society Induction
- National Letters of Intent Athletic Commitments
- National Art Honor Society Induction Ceremony
- Long Island Champions
- Debate Honors
- Music Honors - NYSSMA
- Community Service Award
- Scholar Artist Merit Recipient
- 2023 National Merit Scholarship Recognition
- Lloyd Harbor School - Federal Blue Ribbon School
- Boys Varsity Lacrosse Team 2022 NY STATE Champions!!!
- U.S. News & World Report 2022 BEST HIGH SCHOOLS
- 2022 NAMM Foundation Award K-12 Music Recognition
- Cold Spring Harbor CSD awarded the NY State FLES Award
- National Merit Commended Students
- All State Music Awards
- Jr./Sr High School - School Profile
