Standardized tests aim to measure how well students perform using uniform procedures and scoring methods. A common example is the National Achievement Test (NAT) given in the Philippines. It evaluates students' skills in core subjects like Mathematics, Science, English, and Social Studies. The test seeks to assess how well the education system works, provide data for decisions, and identify areas for improvement in schools and at the national level.

One major strength of standardized testing is its objectivity and comparability. Since all students answer the same set of questions under similar conditions, results can be compared across different regions and groups. This helps policymakers and educators make informed decisions about curriculum development, resource distribution, and teacher training. Also, standardized tests can encourage students and schools to aim for higher achievements since results often impact reputation and accountability.

However, there are several weaknesses as well. Standardized tests often focus on rote memorization and basic thinking skills instead of creativity, critical thinking, and solving real-world problems. They can also carry cultural biases that disadvantage students from various linguistic or socio-economic backgrounds. Furthermore, relying too much on test results can limit the curriculum, leading teachers to "teach to the test" instead of promoting deeper understanding.

In practice, standardized tests can serve as useful diagnostic tools, but they should not be the only measure of learning outcomes. A balanced assessment system that combines standardized testing with formative and performance-based assessments can present a fuller picture of student learning. Ultimately, standardized testing works best when it supports teaching and learning rather than defines it.