The Pisa tests are not without their criticisms - with some claiming the figures are less reliable for comparison as they do not take data from all schools, with most countries offering about 5% of their eligible 15-year-olds for testing.
But the top-ranked European country, Estonia, took third place.
A almost 20 percent increase in spending per student over the past decade in OECD countries had little impact on students' scores in science, the survey found.
"PISA tells us that if we are serious about reaching all students, we must take their circumstances into account: students have different experiences and instruction should be created to meet students where they are". Although Massachusetts, North Carolina and Puerto Rico test scores were separated from the US average for worldwide benchmarking purposes, In the United States, students in Massachusetts still performed the best in each subject on average.
Singapore ― while not a member of the OECD ― participated in the exam, and posted top scores in all three subjects.
'It is critical to look not only at their average high performance, but also at the strategies they use to achieve much greater equity across and within schools compared to the United States, ' Tucker said. The OECD average is 490.
The five top-performing countries in the PISA tests were Singapore, Japan, Estonia, Taiwan and Finland. "In every domain, Canada is not only near the very top internationally, we have increased our ranking since PISA 2012", said the Honourable Doug W. Currie, Chair of the Council of Ministers of Education, Canada, and Minister of Education, Early Learning and Culture for Prince Edward Island.
Ramos recalled that until recently the Mexican education system was not merit-based, and rewarded the efforts of neither students nor teachers.
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Ohio State: Beat Notre Dame, 44-28, in the Fiesta Bowl last season after winning the inaugural CFP championship the year before. The only truly comparable teams were Oklahoma (which finished 11-1), and Iowa (12-1), who lost in its 13th-data-point chance.
"The welcome improvements in performance in young people from deprived backgrounds, which we saw in the previous results between 2009 and 2012, have been maintained".
Asian countries dominated the top 10 of the PISA table, with Japan recording the second-highest average score behind Singapore. Students in the state performed exceptionally well.
However, the poorest 25 percent of students were the only group to improve its average scores in all three subjects, while the average scores of those in the richest 25 percent dropped in all three subjects by 12 to 19 points.
New Zealand's scores in maths, science and reading in the PISA tests were above OECD averages. The variation between different schools was small compared to most other countries. However, girls expressed anxiety when solving mathematical and science-related problems.
He also said disadvantaged immigrant students tend to be more "resilient" than native ones and that the difference in science performance between immigrant and native pupils shrank over the past nine years.
While Irish students have maintaining their position in reading and maths over recent years, there was a significant drop in science performance.
"The latest U.S. PISA achievement results are disappointing but not surprising", said Randi Weingarten, president of the American Federation of Teachers.
Canadian participation in PISA 2015 was made possible through cooperation between the provinces, working through CMEC, and Employment and Social Development Canada (ESDC).