Periyar Maniammai Institute of Science and Technology (PMIST) has been evaluated by various ranking organizations, reflecting its performance across different academic disciplines:
| Rank | Ranking Body | Ranking Type | Ranking Year |
| 28 | India Today-MDRA Survey | Architecture - Course Specific | 2021 |
| Top 10 | India Today-MDRA Survey | Private Colleges with Lowest Fees (Architecture) | 2021 |
| 19 | Indian Institutional Ranking Framework (IIRF) | Engineering and Technology - Course Specific | 2022 |
| 18 | Indian Institutional Ranking Framework (IIRF) | Architecture - Course Specific | 2022 |
| 18 | Green Institutional Rankings | College | 2022 |
| 68 | Mental Health and Wellbeing Ranking | College | 2022 |
PMIST Thanjavur has been featured in the India Today 2025. According to the India Today Ranking 2025, PMIST Thanjavur is ranked 232 in Engineering category. The rankings reflect the PMIST Thanjavur's consistent efforts toward academic growth and student development.
The table below shows PMIST Thanjavur’s India Today ranking trends across major categories in 2025.
| Category/Stream | 2025 Rank |
| Engineering | 232 |