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Early Childhood Longitudinal Study, Kindergarten Class of 1998-99

Published by National Center for Education Statistics (NCES) | Department of Education | Catalog Last Checked: May 12, 2026 at 08:56 PM | Dataset Last Updated: June 27, 2023 at 08:30 PM
The Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K), is part of the Early Childhood Longitudinal Study (ECLS) program; program data is available since 1998-99 at . ECLS-K (https://nces.ed.gov/ecls/kindergarten.asp) is a longitudinal study that collected information about children's early learning and development, transition into kindergarten, and progress through school. A nationally representative sample of kindergartners in the 1998-99 school year was selected and followed over time. The study was conducted using direct assessments of children in their schools, telephone interviews with parents, and self-administered questionnaires for teachers and school administrator. Key information available in ECLS-K includes information on children's cognitive, social, emotional, and physical development, children's home environment, home educational activities, school environment, classroom environment, classroom curriculum, teacher qualifications, and before- and after-school care.

Resources

13 resources available

  • ECLS-K Restricted-Use Base Year: Child File, Teacher File, and School File

    ASP
    Visit Page

  • ECLS-K Base Year Restricted-Use Salary and Benefits File

    ASP
    Visit Page

  • ECLS-K Base Year Restricted-Use: Special Education Child File

    ASP
    Visit Page

  • ECLS-K Base Year Restricted-Use Student Record Abstract File

    ASP
    Visit Page

  • ECLS-K Base Year Restricted-Use Head Start File

    ASP
    Visit Page

  • ECLS-K First Grade Restricted-Use Child File

    ASP
    Visit Page

  • ECLS-K Third Grade Restricted-Use Child File

    ASP
    Visit Page

  • ECLS-K Fifth Grade Restricted-Use Data File and Electronic Codebook

    ASP
    Visit Page

  • ECLS-K Eighth Grade Restricted-Use Data File and Electronic Codebook

    ASP
    Visit Page

  • Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K) Kindergarten Through Fifth Grade Parent and Teacher Social Rating Scale (SRS) Items and Restricted-Use Data Files

    ASP
    Visit Page

  • SCHOOL.zip

    ZIPPED DAT
    Download

  • teacher.zip

    ZIPPED DAT
    Download

  • Childk8p.zip

    ZIPPED DAT
    Download

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
                                            [
  "018:50"
]
contactPoint 
                                            {
  "fn": "Jill McCarroll",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:odp@ed.gov"
}
description The Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K), is part of the Early Childhood Longitudinal Study (ECLS) program; program data is available since 1998-99 at . ECLS-K (https://nces.ed.gov/ecls/kindergarten.asp) is a longitudinal study that collected information about children's early learning and development, transition into kindergarten, and progress through school. A nationally representative sample of kindergartners in the 1998-99 school year was selected and followed over time. The study was conducted using direct assessments of children in their schools, telephone interviews with parents, and self-administered questionnaires for teachers and school administrator. Key information available in ECLS-K includes information on children's cognitive, social, emotional, and physical development, children's home environment, home educational activities, school environment, classroom environment, classroom curriculum, teacher qualifications, and before- and after-school care.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Restricted-Use Base Year: Child File, Teacher File, and School File",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2000097",
    "description": "Base-year restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Base Year Restricted-Use Salary and Benefits File",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2001014",
    "description": "Base-year salary and benefits restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Base Year Restricted-Use: Special Education Child File",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2001015",
    "description": "Base-year special education restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Base Year Restricted-Use Student Record Abstract File",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2001016",
    "description": "Base-year student record abstract restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Base Year Restricted-Use Head Start File",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2001025",
    "description": "Head start restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K First Grade Restricted-Use Child File",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2002127",
    "description": "First-grade restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Third Grade Restricted-Use Child File",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2003002",
    "description": "Third-grade restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Fifth Grade Restricted-Use Data File and Electronic Codebook",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2006033",
    "description": "Fifth-grade restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "ECLS-K Eighth Grade Restricted-Use Data File and Electronic Codebook",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2009006",
    "description": "Eighth-grade restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Early Childhood Longitudinal Study, Kindergarten Class of 1998-99 (ECLS-K) Kindergarten Through Fifth Grade Parent and Teacher Social Rating Scale (SRS) Items and Restricted-Use Data Files",
    "format": "ASP",
    "accessURL": "https://nces.ed.gov/pubsearch/pubsinfo.asp?pubid=2010071",
    "description": "Longitudinal Kindergarten-Fifth Grade parent and teacher Social Rating Scale restricted-use data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99"
  },
  {
    "@type": "dcat:Distribution",
    "title": "SCHOOL.zip",
    "format": "Zipped DAT",
    "mediaType": "application/zip",
    "description": "Base-year school catalog data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99, as a zipped binary data file",
    "downloadURL": "https://nces.ed.gov/ecls/data/SCHOOL.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "teacher.zip",
    "format": "Zipped DAT",
    "mediaType": "application/zip",
    "description": "Base-year teacher catalog data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99, as a zipped binary data file",
    "downloadURL": "https://nces.ed.gov/ecls/data/teacher.zip"
  },
  {
    "@type": "dcat:Distribution",
    "title": "Childk8p.zip",
    "format": "Zipped DAT",
    "mediaType": "application/zip",
    "description": "Longitudinal Kindergarten-Eighth Grade child catalog data file for the Early Childhood Longitudinal Study, Kindergarten Class of 1998-99, as a zipped binary data file",
    "downloadURL": "https://nces.ed.gov/ecls/data/Childk8p.zip"
  }
]
identifier 5afab3ca-57cf-4511-9411-9d516395341c
issued 2000-02-17
keyword 
                                            [
  "0ee4621b-38be-46bb-8360-219726022a58",
  "United States",
  "assessment",
  "early-childhood-education",
  "eighth-grade",
  "fifth-grade",
  "first-grade",
  "kindergarten",
  "middle-childhood-education",
  "progress-through-school",
  "summer-learning",
  "third-grade"
]
landingPage https://nces.ed.gov/ecls/kindergarten.asp
language 
                                            [
  "en-US"
]
license http://www.opendefinition.org/licenses/cc-zero
modified 2023-06-27T20:30:20.160881
programCode 
                                            [
  "018:000"
]
publisher 
                                            {
  "name": "National Center for Education Statistics (NCES)",
  "@type": "org:Organization"
}
spatial United States
temporal 1998/2007
title Early Childhood Longitudinal Study, Kindergarten Class of 1998-99

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