TSIS Senior High School

16/04/2026

𝗘𝗡𝗥𝗢𝗟𝗟𝗠𝗘𝗡𝗧 𝗙𝗢𝗥 𝗦.𝗬. 𝟮𝟬𝟮𝟲-𝟮𝟬𝟮𝟳

𝗦𝗮 𝗱𝗮𝗿𝗮𝘁𝗶𝗻𝗴 𝗻𝗮 𝗶𝗸𝗮-𝟮𝟬 𝗻𝗴 𝗔𝗯𝗿𝗶𝗹 𝘀𝗮 𝗴𝗮𝗻𝗮𝗽 𝗻𝗮 𝗶𝗸𝗮-𝟵 𝗻𝗴 𝘂𝗺𝗮𝗴𝗮 𝗮𝘆 𝗺𝗮𝗴𝘂𝘂𝗺𝗽𝗶𝘀𝗮 𝗻𝗮 𝗽𝗼 𝗮𝗻𝗴 𝗲𝗻𝗿𝗼𝗹𝗹𝗺𝗲𝗻𝘁 𝗽𝗮𝗿𝗮 𝘀𝗮 𝗺𝗴𝗮 𝗺𝗮𝗴-𝗮𝗮𝗿𝗮𝗹 𝗻𝗴 𝗴𝗿𝗮𝗱𝗲 𝟳, 𝟭𝟭, 𝗮𝘁 𝗺𝗴𝗮 𝘁𝗿𝗮𝗻𝘀𝗳𝗲𝗿𝗲𝗲𝘀!

𝗠𝗴𝗮 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀:
*𝗕𝗮𝘀𝗶𝗰 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻 𝗘𝗻𝗿𝗼𝗹𝗹𝗺𝗲𝗻𝘁 𝗙𝗼𝗿𝗺
*𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗥𝗲𝗽𝗼𝗿𝘁 𝗖𝗮𝗿𝗱
*𝗣𝗵𝗼𝘁𝗼𝗰𝗼𝗽𝘆 𝗼𝗳 𝗣𝗦𝗔 𝗕𝗶𝗿𝘁𝗵 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗲
*𝗟𝗼𝗻𝗴 𝗕𝗿𝗼𝘄𝗻 𝗘𝗻𝘃𝗲𝗹𝗼𝗽𝗲
*𝗣𝗵𝗼𝘁𝗼𝗰𝗼𝗽𝘆 𝗼𝗳 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗶𝗼𝗻 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗲
(𝗚𝗿𝗮𝗱𝗲 𝟭𝟭 𝗹𝗲𝗮𝗿𝗻𝗲𝗿𝘀 𝗼𝗻𝗹𝘆)

𝗦𝗮 𝗺𝗴𝗮 𝗻𝗮𝗸𝗮𝗽𝗮𝗴𝗽𝗮𝘁𝗮𝗹𝗮 𝗻𝗮 𝗻𝘂𝗼𝗻𝗴 𝗯𝘂𝘄𝗮𝗻 𝗻𝗴 𝗘𝗻𝗲𝗿𝗼, 𝗺𝗮𝗻𝗴𝘆𝗮𝗿𝗶𝗻𝗴 𝗱𝗮𝗹𝗵𝗶𝗻 𝗻𝗮 𝗹𝗮𝗺𝗮𝗻𝗴 𝗮𝗻𝗴 𝗼𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗻𝗮 𝗿𝗲𝗽𝗼𝗿𝘁 𝗰𝗮𝗿𝗱.

𝗞𝗶𝘁𝗮𝗸𝗶𝘁𝘀 𝗺𝗴𝗮 𝗕𝗮𝘁𝗮𝗻𝗴 𝗧𝗦𝗜𝗦!

𝗘𝗡𝗥𝗢𝗟𝗟𝗠𝗘𝗡𝗧 𝗙𝗢𝗥 𝗦.𝗬. 𝟮𝟬𝟮𝟲-𝟮𝟬𝟮𝟳

𝗦𝗮 𝗱𝗮𝗿𝗮𝘁𝗶𝗻𝗴 𝗻𝗮 𝗶𝗸𝗮-𝟮𝟬 𝗻𝗴 𝗔𝗯𝗿𝗶𝗹 𝘀𝗮 𝗴𝗮𝗻𝗮𝗽 𝗻𝗮 𝗶𝗸𝗮-𝟵 𝗻𝗴 𝘂𝗺𝗮𝗴𝗮 𝗮𝘆 𝗺𝗮𝗴𝘂𝘂𝗺𝗽𝗶𝘀𝗮 𝗻𝗮 𝗽𝗼 𝗮𝗻𝗴 𝗲𝗻𝗿𝗼𝗹𝗹𝗺𝗲𝗻𝘁 𝗽𝗮𝗿𝗮 𝘀𝗮 𝗺𝗴𝗮 𝗺𝗮𝗴-𝗮𝗮𝗿𝗮𝗹 𝗻𝗴 𝗴𝗿𝗮𝗱𝗲 𝟳, 𝟭𝟭 𝗮𝘁 𝗺𝗴𝗮 𝘁𝗿𝗮𝗻𝘀𝗳𝗲𝗿𝗲𝗲𝘀...

𝗠𝗴𝗮 𝗥𝗲𝗾𝘂𝗶𝗿𝗲𝗺𝗲𝗻𝘁𝘀:
*𝗕𝗮𝘀𝗶𝗰 𝗘𝗱𝘂𝗰𝗮𝘁𝗶𝗼𝗻 𝗘𝗻𝗿𝗼𝗹𝗹𝗺𝗲𝗻𝘁 𝗙𝗼𝗿𝗺
*𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗥𝗲𝗽𝗼𝗿𝘁 𝗖𝗮𝗿𝗱
*𝗣𝗵𝗼𝘁𝗼𝗰𝗼𝗽𝘆 𝗼𝗳 𝗣𝗦𝗔 𝗕𝗶𝗿𝘁𝗵 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗲
*𝗟𝗼𝗻𝗴 𝗕𝗿𝗼𝘄𝗻 𝗘𝗻𝘃𝗲𝗹𝗼𝗽𝗲
*𝗣𝗵𝗼𝘁𝗼𝗰𝗼𝗽𝘆 𝗼𝗳 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗶𝗼𝗻 𝗖𝗲𝗿𝘁𝗶𝗳𝗶𝗰𝗮𝘁𝗲
(𝗚𝗿𝗮𝗱𝗲 𝟭𝟭 𝗹𝗲𝗮𝗿𝗻𝗲𝗿𝘀 𝗼𝗻𝗹𝘆)

𝗦𝗮 𝗺𝗴𝗮 𝗻𝗮𝗸𝗮𝗽𝗮𝗴𝗽𝗮𝘁𝗮𝗹𝗮 𝗻𝗮 𝗻𝘂𝗼𝗻𝗴 𝗯𝘂𝘄𝗮𝗻 𝗻𝗴 𝗘𝗻𝗲𝗿𝗼, 𝗺𝗮𝗻𝗴𝘆𝗮𝗿𝗶𝗻𝗴 𝗱𝗮𝗹𝗵𝗶𝗻 𝗻𝗮 𝗹𝗮𝗺𝗮𝗻𝗴 𝗮𝗻𝗴 𝗼𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗻𝗮 𝗿𝗲𝗽𝗼𝗿𝘁 𝗰𝗮𝗿𝗱...

𝗞𝗶𝘁𝗮 𝗸𝗶𝘁𝘀 𝗺𝗴𝗮 𝗕𝗮𝘁𝗮𝗻𝗴 𝗧𝗦𝗜𝗦!.

17/06/2025

Congratulations to our school's exceptionally dynamic and vigorous principal, Mrs. Adoracion R. Santos, SDO Caloocan Gawad Supremo 2025 Outstanding School Head Awardee!

Under her leadership, the school has also received the Seal of Good School Governance and WinS Program Best Implementer Award in both elementary and secondary levels!

09/06/2025

Join us for the Schools Division Office - Caloocan City Kick-Off Program of Brigada Eskwela 2025: Sama-Sama para sa Bayang Bumabasa, happening at Tandang Sora Integrated School!

📅 June 10, 2025
🕖 Livestream starts at 7:00 AM

Let’s unite in the spirit of bayanihan to nurture a nation of readers and lifelong learners. Don’t miss the energy, the inspiration, and the heart of Brigada Eskwela! 💚

05/06/2025

𝗦𝗮 𝘂𝗻𝗮𝗻𝗴 𝗮𝗿𝗮𝘄 𝗻𝗴 𝗮𝘁𝗶𝗻𝗴 𝗕𝗿𝗶𝗴𝗮𝗱𝗮 𝗘𝘀𝗸𝘄𝗲𝗹𝗮, 𝗶𝗸𝗮-𝟵 𝗻𝗴 𝗛𝘂𝗻𝘆𝗼 𝘀𝗮 𝗴𝗮𝗻𝗮𝗽 𝗻𝗮 𝗮𝗹𝗮𝘀 𝗼𝘁𝘀𝗼 𝘆 𝗺𝗲𝗱𝘆𝗮 𝗻𝗴 𝘂𝗺𝗮𝗴𝗮 𝗮𝘆 𝗺𝗮𝗴𝗸𝗮𝗸𝗮𝗿𝗼𝗼𝗻 𝗻𝗴 𝗔𝗻𝘁𝗶-𝗕𝘂𝗹𝗹𝘆𝗶𝗻𝗴 𝗦𝗲𝘀𝘀𝗶𝗼𝗻 𝗻𝗮 𝗴𝗮𝗴𝗮𝗻𝗮𝗽𝗶𝗻 𝘀𝗮 𝗰𝗼𝘃𝗲𝗿𝗲𝗱 𝗰𝗼𝘂𝗿𝘁 𝗻𝗴 𝗽𝗮𝗮𝗿𝗮𝗹𝗮𝗻. 𝗜𝗻𝗮𝗮𝗻𝘆𝗮𝘆𝗮𝗵𝗮𝗻 𝗽𝗼 𝗻𝗮𝗺𝗶𝗻 𝗮𝗻𝗴 𝗺𝗴𝗮 𝗺𝗮𝗴𝘂𝗹𝗮𝗻𝗴 𝘀𝗮 𝗶𝗸𝗮𝗽𝗶𝘁𝗼𝗻𝗴 𝗯𝗮𝗶𝘁𝗮𝗻𝗴 𝗮𝘁 𝗺𝗴𝗮 𝗶𝗸𝗮-𝟭𝟭 𝗯𝗮𝗶𝘁𝗮𝗻𝗴 𝗻𝗮 𝗺𝗮𝗴-𝗮𝗮𝗿𝗮𝗹 𝗻𝗴 𝗧𝗮𝗻𝗱𝗮𝗻𝗴 𝗦𝗼𝗿𝗮 𝗻𝗮 𝗱𝘂𝗺𝗮𝗹𝗼 𝘀𝗮 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗮.
𝗞𝗮𝘀𝘂𝗻𝗼𝗱 𝗻𝗶𝘁𝗼 𝗮𝘆 𝗮𝗻𝗴 𝗽𝗮𝗴𝗯𝗶𝗯𝗶𝗴𝗮𝘆 𝗻𝗴 𝘀𝗲𝗰𝘁𝗶𝗼𝗻 𝗽𝗮𝗿𝗮 𝘀𝗮 𝗺𝗴𝗮 𝗶𝗸𝗮𝗽𝗶𝘁𝗼𝗻𝗴 𝗯𝗮𝗶𝘁𝗮𝗻𝗴 𝗻𝗮 𝗺𝗮𝗴-𝗮𝗮𝗿𝗮𝗹.

𝗜𝗻𝗮𝗮𝘀𝗮𝗵𝗮𝗻 𝗽𝗼 𝗻𝗮𝗺𝗶𝗻 𝗮𝗻𝗴 𝗶𝗻𝘆𝗼𝗻𝗴 𝗽𝗮𝗴𝘀𝘂𝗽𝗼𝗿𝘁𝗮 𝘀𝗮 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗮𝗻𝗴 𝗶𝘁𝗼.

𝗠𝗮𝗿𝗮𝗺𝗶𝗻𝗴 𝗦𝗮𝗹𝗮𝗺𝗮𝘁 𝗽𝗼.

𝗠𝗮𝗴𝗮𝗻𝗱𝗮𝗻𝗴 𝗔𝗿𝗮𝘄!
𝗦𝗮 𝘂𝗻𝗮𝗻𝗴 𝗮𝗿𝗮𝘄 𝗻𝗴 𝗮𝘁𝗶𝗻𝗴 𝗕𝗿𝗶𝗴𝗮𝗱𝗮 𝗘𝘀𝗸𝘄𝗲𝗹𝗮, 𝗶𝗸𝗮-𝟵 𝗻𝗴 𝗛𝘂𝗻𝘆𝗼 𝘀𝗮 𝗴𝗮𝗻𝗮𝗽 𝗻𝗮 𝗮𝗹𝗮𝘀 𝗼𝘁𝘀𝗼 𝘆 𝗺𝗲𝗱𝘆𝗮 𝗻𝗴 𝘂𝗺𝗮𝗴𝗮 𝗮𝘆 𝗺𝗮𝗴𝗸𝗮𝗸𝗮𝗿𝗼𝗼𝗻 𝗻𝗴 𝗔𝗻𝘁𝗶-𝗕𝘂𝗹𝗹𝘆𝗶𝗻𝗴 𝗦𝗲𝘀𝘀𝗶𝗼𝗻 𝗻𝗮 𝗴𝗮𝗴𝗮𝗻𝗮𝗽𝗶𝗻 𝘀𝗮 𝗰𝗼𝘃𝗲𝗿𝗲𝗱 𝗰𝗼𝘂𝗿𝘁 𝗻𝗴 𝗽𝗮𝗮𝗿𝗮𝗹𝗮𝗻. 𝗜𝗻𝗮𝗮𝗻𝘆𝗮𝘆𝗮𝗵𝗮𝗻 𝗽𝗼 𝗻𝗮𝗺𝗶𝗻 𝗮𝗻𝗴 𝗺𝗴𝗮 𝗺𝗮𝗴𝘂𝗹𝗮𝗻𝗴 𝘀𝗮 𝗶𝗸𝗮𝗽𝗶𝘁𝗼𝗻𝗴 𝗯𝗮𝗶𝘁𝗮𝗻𝗴 𝗮𝘁 𝗺𝗴𝗮 𝗺𝗮𝗴-𝗮𝗮𝗿𝗮𝗹 𝘀𝗮 𝗶𝗸𝗮-𝟭𝟭 𝗯𝗮𝗶𝘁𝗮𝗻𝗴 𝗻𝗴 𝗧𝗮𝗻𝗱𝗮𝗻𝗴 𝗦𝗼𝗿𝗮 𝗻𝗮 𝗱𝘂𝗺𝗮𝗹𝗼 𝘀𝗮 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗮.

𝗞𝗮𝘀𝘂𝗻𝗼𝗱 𝗻𝗶𝘁𝗼 𝗮𝘆 𝗮𝗻𝗴 𝗽𝗮𝗴𝗯𝗶𝗯𝗶𝗴𝗮𝘆 𝗻𝗴 𝘀𝗲𝗰𝘁𝗶𝗼𝗻 𝗽𝗮𝗿𝗮 𝘀𝗮 𝗺𝗴𝗮 𝗶𝗸𝗮𝗽𝗶𝘁𝗼𝗻𝗴 𝗯𝗮𝗶𝘁𝗮𝗻𝗴 𝗻𝗮 𝗺𝗮𝗴-𝗮𝗮𝗿𝗮𝗹.

𝗜𝗻𝗮𝗮𝘀𝗮𝗵𝗮𝗻 𝗽𝗼 𝗻𝗮𝗺𝗶𝗻 𝗮𝗻𝗴 𝗶𝗻𝘆𝗼𝗻𝗴 𝗽𝗮𝗴𝘀𝘂𝗽𝗼𝗿𝘁𝗮 𝘀𝗮 𝗽𝗿𝗼𝗴𝗿𝗮𝗺𝗮𝗻𝗴 𝗶𝘁𝗼.

𝗠𝗮𝗿𝗮𝗺𝗶𝗻𝗴 𝗦𝗮𝗹𝗮𝗺𝗮𝘁 𝗽𝗼.

30/01/2025

One last challenge to test your math skills‼️ Don't miss the final Math Calendar Problem—your chance to showcase your problem-solving abilities and finish strong. Join now and be part of the excitement‼️‼️

28/01/2025

The answer to Math Calendar Problem #2 is finally here‼️Did you crack the code and find Hannah’s secret six-digit number? Check the solution and see if your logic and number skills led you to the right answer. Let us know how you did‼️‼️

26/01/2025

Unleash your inner math whiz! 🧠✨ Join Math Trivia 2 and prove you're the ultimate problem solver. Sharpen your skills, have fun, and win big—don’t miss out‼️

26/01/2025

Curious about how you did in Math Trivia 1? 🧮✨ The answer are finally here! Find out if you cracked the toughest question—check it out now‼️

25/01/2025

𝗔𝗡𝗨𝗡𝗦𝗬𝗢: EARLY REGISTRATION SY 2025-2026
January 25, 2025 - February 15, 2025

𝙈𝙖𝙜-𝙖𝙧𝙖𝙡 𝙖𝙮 𝙆𝙖𝙧𝙖𝙥𝙖𝙩𝙖𝙣 𝙢𝙤,
𝙏𝙖𝙮𝙤 𝙉𝙖'𝙩 𝙈𝙖𝙜𝙥𝙖-𝙍𝙚𝙝𝙞𝙨𝙩𝙧𝙤
𝙈𝙖𝙜𝙥𝙖𝙡𝙞𝙨𝙩𝙖 𝙣𝙖 𝙨𝙖 𝙏𝙎𝙄𝙎!

Bilang paghahanda sa pagsisimula ng School Year 2025-2026, magsasagawa po ng 𝐄𝐚𝐫𝐥𝐲 𝐑𝐞𝐠𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 na magsisimula sa 𝗶𝗸𝗮-𝟮𝟱 𝗻𝗴 𝗘𝗻𝗲𝗿𝗼 (Sabado) mula 8:00 am hanggang 5:00 pm.

Ang mga magulang at guardian ay hinihikayat na iparehistro ang kanilang mga anak.

Maraming Salamat po!

𝗔𝗡𝗨𝗡𝗦𝗬𝗢 | 𝙀𝘼𝙍𝙇𝙔 𝙍𝙀𝙂𝙄𝙎𝙏𝙍𝘼𝙏𝙄𝙊𝙉
S.Y. 2025-2026
January 25, 2025- February 15, 2025

𝙈𝙖𝙜-𝙖𝙧𝙖𝙡 𝙖𝙮 𝙆𝙖𝙧𝙖𝙥𝙖𝙩𝙖𝙣 𝙢𝙤,
𝙏𝙖𝙮𝙤 𝙉𝙖'𝙩 𝙈𝙖𝙜𝙥𝙖-𝙍𝙚𝙝𝙞𝙨𝙩𝙧𝙤
𝙈𝙖𝙜𝙥𝙖𝙡𝙞𝙨𝙩𝙖 𝙣𝙖 𝙨𝙖 𝙏𝙎𝙄𝙎!
Bilang paghahanda sa pagsisimula ng Academic Year 2025-2026, magsasagawa po ng 𝐄𝐚𝐫𝐥𝐲 𝐑𝐞𝐠𝐢𝐬𝐭𝐫𝐚𝐭𝐢𝐨𝐧 at ang pagsisimula po nito ay gaganapin na 𝘀𝗮 𝗶𝗸𝗮-𝟮𝟱 𝗻𝗴 𝗘𝗻𝗲𝗿𝗼 araw ng Sabado, sa ganap na ika-9 ng umaga.

Ang mga magulang at tagapag-alaga ay hinihikayat na iparehistro ang kanilang mga anak...

Maraming Salamat po!

23/01/2025

Get ready to level up your math game with Math Calendar Problem 2‼️ Each day brings a new challenge to sharpen your skills, test your creativity, and have fun while learning. Don’t miss this exciting opportunity to explore math in a whole new way—join now and make every day count‼️‼️