Trinity's tuition & fees has increased from $50,776 (2015) to $70,770 (2025), and the rate of tuition increase is 39.38% over the past 10 years. The graduate school tuition & fees has raised from $12,175 (year 2015) to $20,890 (year 2025).
Trinity's tuition increase rate is higher than the Connecticut's average increase rate of 14.81%. Compare to all colleges in United States, it's increase rate is higher than the average increase rate of 10.99%.
Cost of Attendance (COA) Trends
The total cost of attendance (COA), including tuition & fees, books & supplies costs, and living costs, increased by 38.75% from 2015 ($66,420).
For the current academic year 2024-2025, Trinity's COA is $92,160, which is increased by 4.83% from last year.
The following table and chart show changes to Trinity's COA over the past 10 years.
Tuition & Fees Changes
The tuition & fees have increased 39.38% for the last 10 years , and the 2025 tuition & fees are $67,650. The following table and chart show the tuition & fees changes at Trinity College over last the 10 years.
Books & Supplies Costs Changes
The cost of purchasing books & supplies which are required/recommended for courses $1,000, and it has not changed since 2015.
| Year | Books & Supplies | Change by Year |
| 2015-16 | $1,000 | - |
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| 2016-17 | $1,000 | |
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| 2017-18 | $1,000 | |
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| 2018-19 | $1,000 | |
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| 2019-20 | $1,000 | |
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| 2020-21 | $1,000 | |
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| 2021-22 | $1,000 | |
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| 2022-23 | $1,000 | |
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| 2023-24 | $1,000 | |
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| 2024-25 | $1,000 | |
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Living Costs Changes
The living costs including room, board, and other living expenses have increased 39.24% when a student lives on-campus facilities and 39.24% when living-off campus from the year 2015 to 2025. The following table shows the changes in living costs at Trinity College.
| Year | Living On Campus | Living Off Campus | Change by Year |
| 2015-16 | $14,644 | $14,644 | - |
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| 2016-17 | $15,180 | $15,180 | 3.66% |
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| 2017-18 | $15,700 | $15,700 | 3.43% |
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| 2018-19 | $16,250 | $16,250 | 3.50% |
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| 2019-20 | $16,800 | $16,800 | 3.38% |
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| 2020-21 | $16,800 | $16,800 | |
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| 2021-22 | $17,400 | $17,400 | 3.57% |
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| 2022-23 | $18,160 | $18,160 | 4.37% |
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| 2023-24 | $19,490 | $19,490 | 7.32% |
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| 2024-25 | $20,390 | $20,390 | 4.62% |
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Compare Tuition Change to Similar Colleges
The following table compares 2025 tuition and increase rate from last year between Trinity College and similar schools.
| 2025 | 2024 | Increase Rate |
| Trinity College | $70,770 | $67,420 | 4.97% |
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| Yale University | $67,250 | $64,700 | 3.94% |
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| Sacred Heart University | $50,404 | $48,460 | 4.01% |
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| Quinnipiac University | $55,480 | $53,090 | 4.50% |
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| University of New Haven | $47,332 | $45,730 | 3.50% |
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| Fairfield University | $58,400 | $56,360 | 3.62% |
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