| 1905 |
Educational Assessment |
World Book Co. founded in Manilla to publish English-language educational materials for schools in the Philippines |
| 1918 |
Educational Assessment |
World Book Company becomes the first publisher of group-administered tests measuring mental ability when it published Arthur S. Otis' Group Intelligence Scale. |
| 1921 |
Clinical Assessment |
The Psychological Corporation founded in New York City by James Cattell, Robert Sessions Woodworth and Edward Lee Thorndike |
| 1923 |
Educational Assessment |
World Book Co. publishes the first edition of the Stanford Achievement Test |
| 1932 |
Educational Assessment |
World Book Co. publishes the first edition of the Metropolitan Achievement Test for use in New York City, beginning Pearson's 75+ year history supporting district-wide assessments for New York City Public Schools |
| 1939 |
Clinical Assessment |
The Psychological Corporation publishes the Wechsler-Bellevue Intelligence Scales |
| 1949 |
Clinical Assessment |
The Psychological Corporation publishes the first edition of the Wechsler Intelligence Scale for Children (WISC) |
| 1953 |
National Services |
The Measurement Research Center founded by the University of Iowa under the direction of E. F. Lindquist to bring Optical Mark Reader (OMR) technology and data collection services to the education market. |
| State Services |
The Measurement Research Center is the first organization to successfully machine score a large scale assessment, the Iowa Test of Basic Skills (ITBS) and Iowa Test of Educational Development (ITED), beginning Pearson's 56+ year history supporting state assessment programs |
| 1959 |
National Services |
The Measurement Research Center supports the launch of the ACT assessment program from American College Testing, beginning Pearson's 50+ year history supporting ACT |
| 1960 |
Educational Assessment |
World Book Co. acquired by Harcourt Brace. The Measurement Research Center begins its 49+ year relationship providing scoring services for the Stanford Achievement Test |
| 1962 |
Clinical Assessment |
National Computer Systems (NCS) founded by Harlan Ward in Minneapolis to provide scoring services for the Minnesota Multiphasic Personality Inventory (MMPI), beginning Pearson's 47+ year history supporting supporting many leading psychological tests, including the Minnesota Multiphasic Personality Inventory (MMPI) |
| 1968 |
National & State Services |
The Measurement Research Center acquired by Westinghouse Learning Corp.
|
| National Services |
The Measurement Research Corporation scores the first National Evaluation of Student Progress (NAEP) writing assessment, beginning Pearson's 40+ year history of support for NAEP |
| School Systems |
Columbia Computing Ltd founded in Vancouver BC to launch The School System (TSS) student information system |
| 1970 |
Clinical Assessment |
The Psychological Corporation acquired by Harcourt Brace Jovanovich (HBJ) |
| 1972 |
Clinical Assessment |
HBJ merges the educational testing department of World Book Co. into The Psychological Corporation |
| Evaluation Systems |
National Evaluation Systems is cofounded by William Gorth in Amherst MA |
| 1976 |
Clinical & Educational Assessment |
HBJ merges the educational testing department of World Book Co. into The Psychological Corporation |
| Evaluation Systems |
Evaluation Systems publishes the first customized, multi-field teacher certification testing program in the US for the state of Georgia |
| 1979 |
State Services |
The Measurement Research Center supports the launch of the first Texas testing program beginning Pearson's 30+ year history of support for the Texas Education Agency |
| 1983 |
National & State Services |
The Measurement Research Center acquired by National Computer Systems (NCS) |
| School Systems |
Tamarack Systems founded in Denver CO to launch the Osiris student information system. Chancery is founded in Burnaby British Columbia. |
| Educational Assessment |
The Psychological Corporate moves from NYC to Cleveland |
| 1985 |
Educational Assessment |
The Psychological Corporation moves to San Antonio and establishes its own operational services, including customer service, warehouse, distribution, information technology, scoring and reporting |
| 1986 |
Clinical Assessment |
The Psychological Corporation acquires the test division of Merrill Publishing Co. for its line of speech, language and hearing products |
| 1989 |
School Systems |
Columbia Computing joins the Macmillan McGraw-Hill School Publishing Company and is merged with CTB/McGraw-Hill |
| 1993 |
School Systems |
McGraw-Hill School Systems is separated from CTB/McGraw-Hill as an independent business unit focused on The School System, Osiris and Integrade |
| 1994 |
Clinical Assessment |
The Psychological Corporation acquires Communication Skill Builders/Therapy Skill Builders and its therapy products for speech-language pathologists, occupational therapists and physical therapists |
| 1996 |
Evaluation Systems |
College readiness test administered by computer in the US state of Texas |
| 1997 |
School Systems |
PowerSchool is founded in Rancho Cordova CA. National Computer Systems acquires Macro Educational Systems (SASIxp) and McGraw-Hill School Systems |
| 1998 |
Evaluation Systems |
Combined multiple-choice and constructed-response tests for 30 teacher certification tests in US state of Massachusetts |
| Knowledge Technologies |
Knowledge Analysis Technologies formed in Boulder CO by Thomas K Landauer, Darrell Laham and Peter Foltz to develop educational applications of Latent Semantic Analysis (LSA). |
| 2000 |
National & State Services, School Systems |
National Computer Systems (NCS) acquired by Pearson |
| 2001 |
State Services |
Pearson pioneers secure online testing system for state exams |
| Edustructures |
Edustructures formed by Steve Curtis in Salt Lake City |
| 2002 |
Clinical Assessments |
The Psychological Corporation acquires French test publisher ECPA (Les Editions du Centre de Psychologie Appliquée) |
| Edustructures |
Edustructures introduces the first SIF Zone Integration Server to the education market making standards based data integration possible. |
| 2003 |
Clinical Assessments |
The Psychological Corporation acquires Swets Test International from Dutch publisher Royal Swets & Zeitlinger, with operations in Belgium, France, Germany, the Netherlands and the United Kingdom |
| 2004 |
School Systems |
Pearson acquires altonaED |
| Clinical Assessments |
The Psychological Corporation acquires Ordinate Corporation and its portfolio of spoken language proficiency assessments, and also acquires assets of J C Raven Ltd., including the Progressive Matrices and the Mill Hill Vocabulary Scales |
| Educational Assessments |
Pearson acquires Scholar, Inc. and launches PearsonInform |
| Knowledge Technologies |
Pearson acquires Knowledge Analysis Technologies |
| 2005 |
National Services |
Pearson introduces online distributed performance scoring for the College Board's new SAT Writing exam |
| Clinical Assessments |
Pearson acquires AGS Publishing |
| Edustructures |
Edustructures implements the first state-wide SIF compliant data systems. |
| 2006 |
School Systems |
PowerSchool and Chancery acquired by Pearson and merged into Pearson School Systems |
| Clinical Assessments |
The Psychological Corporation acquires Edformation, Inc. and its AIMSweb product. AIMSweb will provide customers with a complete Response to Intervention (RTI) solution |
| Evaluation Systems |
National Evaluation Systems acquired by Pearson |
| 2007 |
School Systems |
Pearson launches PowerTeacher |
| Edustructures |
Edustructures acquired by Pearson |
| 2008 |
Clinical & Educational Assessments |
The Psychological Corporation (Harcourt Assessment, Inc.) acquired by Pearson |
| Evaluation Systems |
Evaluation Systems is first to deliver the 45 tests of the teacher certification testing program completely by computer in the US state of Florida |
| Knowledge Technologies |
Ordinate is merged into Pearson Knowledge Technologies |
| 2009 |
National Services |
Pearson launches new computer-adaptive ACCUPLACER system for the College Board with auto-scored essays |
| Clinical Assessments |
Clinical Assessment opens office in India and Scandanivian operations expand with opening office in Denmark. |
| Edustructures |
The National Transcript Center acquired by Pearson and merged with Edustructures |