| Laboratory School of Phranakhon Si Ayutthaya Rajabhat University | |
| Motto: | Be Intelligent, Have Good Personality, Have Morals, Lead the Society. |
| Established: | 1985 |
| Grades: | 7-12 (Matthayom 1-6) |
| Head Name: | Principal |
| Head: | Assistant Professor Piya Mee-Anunt |
| Postcode: | 13000 |
| Country: | Thailand |
| Coordinates: | 14.3473°N 100.5644°W |
| Nickname: | Satit Ayutthaya, STAY |
| Students: | 780 |
| Website: | https://aru.ac.th/stay |
The Laboratory School of Phranakhon Si Ayutthaya Rajabhat University (Thai: โรงเรียนสาธิตมหาวิทยาลัยราชภัฏพระนครศรีอยุธยา; Rongrian Satit Mahawitthayalai Ratchaphat Phranakhon Si Ayutthaya), informally known as Satit Ayutthaya (Thai: สาธิตอยุธยา; Sathit Ayutthaya), is the first and only laboratory school (or demonstration school) in Phra Nakhon Si Ayutthaya Province, Thailand. The school is located in, Ayutthaya City Island.[1] [2] [3]