Average 5.0 based on 6 teacher ratings
John O'brien is a Construction And The Built Environment teacher at Grennan College located in Thomastown, Meath. When comparing John O'brien's ratings to other teachers in the county of Meath, John O'brien's ratings are above the average of 4.45 stars. Additionally, the average teacher rating at Grennan College is 4.51 stars.
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hes such a gud laugh and sound ou best teacher !!!!!!!!!!!!!!!!!!

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Sound he's really helpful and sorts your problems.. :)

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dont have him but he seems really nice

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a veryhelpful and easy to talk to teacher

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" It dosent matter a damm like really "

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Mr O'B is always so joyful. he's a lovely man and a grate teacher

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Learn more about Grennan College

5-star
86%
4-star
7%
3-star
2%
2-star
0%
1-star
3%
Based on 369 Ratings
Grennan College is located in Thomastown, Meath with an average teacher rating of 4.51 stars. When comparing Grennan College's teachers to other teachers in the county of Meath, Grennan College's teachers are above the average of 4.45 stars. Grennan College ranks 5 amongst all High Schools in the county of Meath. Learn More