The table below provides an indication of data quality for the estimated average reading score for 15-year-olds by province. Additional data quality indicators are presented in all PISA publications.
| Province | Average Reading score | Standard error | confidence interval – 95% lower limit | confidence interval – 95% upper limit |
|---|---|---|---|---|
| Newfoundland and Labrador | 506 | (3.7) | 499 | 513 |
| Prince Edward Island | 486 | (2.4) | 481 | 490 |
| Nova Scotia | 516 | (2.7) | 510 | 521 |
| New Brunswick | 499 | (2.5) | 494 | 504 |
| Quebec | 522 | (3.1) | 516 | 528 |
| Ontario | 531 | (3.0) | 525 | 536 |
| Manitoba | 495 | (3.6) | 488 | 502 |
| Saskatchewan | 504 | (3.3) | 498 | 511 |
| Alberta | 533 | (4.6) | 524 | 542 |
| British Columbia | 525 | (4.2) | 516 | 533 |
| Canada | 524 | (1.5) | 521 | 527 |