Students considering applying to colleges on the US mainland are encouraged to sign up to take the SAT, usually in March of 11th Grade and in June of that year. Some students also take the SAT in October of their Senior year. The SAT exam is administered at TASIS Dorado, but students may choose to take it elsewhere when they sign up.

Students planning to apply to selective US colleges are encouraged to sign up for the appropriate SAT II tests (formerly known as "subject" tests). The testing location is determined by the time of year and availability.

All TASIS Dorado students who enroll in an Advanced Placement course are required to take the AP exam in May of that academic year.

The Educational Records Bureau (ERB) is a diagnostic instructional tool that has been used by high achieving independent schools since the 1970s. The CTP 4 is a standardized test in English. The ERB is a battery of tests designed to provide instructionally useful information about student performance in listening, reading, vocabulary, mathematics, verbal reasoning and mathematical reasoning. The test compares a student to other students of his or her age. Scores are presented in the various subtests as stanines and percentiles in comparison to the norm groups. The test is given to students in 6th – 10th Grades in the spring of each academic year.

Most Juniors or Seniors are encouraged to take the PEAU, also known as the "College Boards," which are required for admission to the University of Puerto Rico system. The test is now administered at TASIS Dorado.

All TASIS Dorado students take the PSAT in the 9th, 10th and 11th Grades. The purpose of taking the test in 9th and 10th Grades is to familiarize students with the format and style of the test and to indicate areas of strength and areas for improvement. Students taking the PSAT in 11th Grade are eligible for the National Merit Scholarship Program and National Hispanic Recognition Program. English and Math teachers offer an overview in the days preceding the test.

The PIENSE is a Spanish language assessment tool to measure students’ academic and intellectual traits. It consists of four tests, one skill-based and three that are knowledge-based; these are given on the same day. The Cognitive Skills test measures a student’s logical reasoning, whereas the knowledge-based tests cover the areas of Spanish Language, Math and English as a Second Language. The test is given to students in 5th – 10th Grades in the spring of each academic year.

The Scholastic Reading Inventory (SRI) is a research-based, computer adaptive reading assessment that measures reading comprehension on the Lexile Framework for Reading. The SRI provides immediate data on the students’ reading level and growth over time. The SRI assists teachers in differentiating instruction and allows students to set personal reading goals. The SRI allows teachers to provide students with texts that offer an appropriate level of challenge, allowing students to grow to higher levels of achievement. The test is given to students in 6th – 12th Grades three times during the academic year.

Write Score is a formative writing assessment that assists teacher in identifying strengths and weaknesses as evaluated by our Six Traits of Writing curriculum. Students must write an essay based on a narrative, expository or persuasive prompt. We analyze student essays in four major categories: focus, organization, support and conventions. The test is given to secondary students in 8th – 12th  Grades in the fall of the academic year.