What Grade Was I In? Year Calculator

Enter a birthday and a year: this what grade was I in year calculator counts school years from your first fall at age 5 by your state's cutoff.

  • Last verified Oct 19, 2026
  • Sources: each state's own law, rule, bill or education department for 46 of the 51 (DC included), the Education Commission of the States for the other 5, and the U.S. Census Bureau
On this page

Birthday April 12, 1992, Illinois cutoff → 4th grade in 2001–02

4th grade

Turns 5 on April 12, 1997, on or before Illinois's cutoff of September 1, 1997.

Age on the 2001–02 cutoff9
Kindergarten1997–98
Class of2010
On-time birthdays in this classSep 2, 1991 – Sep 1, 1992
Cutoff: Sep 1

Sources: each state's own law, rule, bill or education department for 46 of the 51 (DC included), the Education Commission of the States for the other 5, and the U.S. Census BureauLast verified Oct 19, 2026

Illinois districts may let a child start before the cutoff after a readiness assessment.

Birth date

On time = the first fall the cutoff allows. For one repeated or skipped grade, pick late or early: it shifts every year by one, so it fits the school years after the change.

Your district's cutoff date (optional)

The child must be 5 on or before this date. Leave the month on “Use the state's date” unless your district sets its own. A January to March date counts as the January to March after school starts.

Show the math
How the result was worked out
Birth dateApril 12, 1992
5th birthdayApril 12, 1997
Cutoff (1997–98 kindergarten year)Illinois: turns 5 on or before September 1 (in force since 1990–91)
Kindergarten5th birthday is on or before the 1997–98 cutoff (September 1, 1997), so kindergarten starts in 1997–98
Grade in 2001–022001 − 1997 = 4 school years after kindergarten: 4th grade
Every school year, kindergarten to 12th grade
School years for this birth date and cutoff
School yearTypical gradeAge on the cutoff
1997–98 Kindergarten5
1998–99 1st grade6
1999–2000 2nd grade7
2000–01 3rd grade8
2001–02 (year you picked)4th grade9
2002–03 5th grade10
2003–04 6th grade11
2004–05 7th grade12
2005–06 8th grade13
2006–07 9th grade14
2007–08 10th grade15
2008–09 11th grade16
2009–10 12th grade17

This is the grade for an on-time start under the state's cutoff, or a year later or earlier if you pick that. Where we have a dated record of a state's older rule, the calculator uses the rule in force in the kindergarten year; otherwise it uses today's cutoff and the result says so. Cutoffs change and each district places its own students, so a school record can differ. If your state used another date back then, enter it above.

What grade was I in at a glance

Usual kindergarten entrance age
5 years old by the cutoff
First grade entrance age in Minnesota law (one example)
6 years old by the cutoff
Enrolled 17-year-olds in 12th grade (October 2024, our arithmetic)
62.5% (2,555 of 4,089 thousand)

Sources: Education Commission of the States, Minnesota Office of the Revisor of Statutes, U.S. Census Bureau

Good to know

  • Age alone does not settle the grade. In the Census Bureau's October 2024 counts, 62.5% of enrolled 17-year-olds were in 12th grade and 27.0% were in 11th (our arithmetic from its table); which one depends on where the birthday falls against the cutoff.
  • The cutoff that counts is the one in force the year kindergarten started. West Virginia moved from before September 1 to before July 1 for kindergarten in 2019–20, and Connecticut from January 1 to September 1 in 2024–25; this calculator applies both. Where no change is recorded it uses today's date and says so in the result, so if kindergarten started before a change you know about, enter the old date.

Common questions

How do I figure out what grade I was in?

Find the fall you started kindergarten (the first fall whose cutoff came on or after your 5th birthday), then subtract that year from the school year's fall year: 0 is kindergarten and 12 is 12th grade. Born April 12, 1992, in Illinois means kindergarten in 1997 and 4th grade in 2001–02.

Source: Illinois General Assembly

What year did I graduate high school?

Add 13 to the fall year you started kindergarten: kindergarten in fall 1997 means 12th grade in 2009–10 and the Class of 2010. One repeated or skipped grade moves that year by one, so pick late or early in the calculator. See the graduation calculator by birthday.

Sources: Illinois General Assembly, U.S. Census Bureau

How old are kids in each grade?

Most states set the kindergarten entrance age at 5 by the cutoff date, and Minnesota's law, for example, sets 1st grade at 6 by September 1. With 12 grades after kindergarten (the Census grade levels), 12th grade typically comes at 17 on the cutoff. In the Census Bureau's October 2024 counts, 62.5% of enrolled 17-year-olds were in 12th grade and 27.0% were in 11th (our arithmetic from its table).

Sources: Education Commission of the States, Minnesota Office of the Revisor of Statutes, U.S. Census Bureau

Why might my grade differ from the calculator's answer?

The calculator shows the grade for an on-time start under the state's cutoff. A district's own cutoff or a cutoff that has changed (West Virginia's did in 2019) can move it, and so can one repeated or skipped grade: pick late or early, which shifts every year by one and so fits the school years after the change.

Source: West Virginia Legislature

What does typical grade mean?

On this page it is the grade for an on-time start under your state's cutoff: kindergarten in the first fall you are 5 on or before the cutoff date, then one grade higher each school year. It is not a count of where most children of an age were enrolled.

Source: Education Commission of the States

More details

More facts, beyond the ones at a glance, and where each comes from
WhatValueSource
Grades after kindergarten (Census grade levels)12 gradesU.S. Census Bureau
Enrolled 17-year-olds in 11th grade (October 2024, our arithmetic)27.0% (1,103 of 4,089 thousand)
Enrolled 5-year-olds in kindergarten (October 2024, our arithmetic)75.7% (2,540 of 3,355 thousand)
School year span this calculator uses (Ohio law's definition)July 1 to June 30 of the next calendar year, so a school year carries two years in its name (2026–27)Ohio Legislative Service Commission

Common values

Common inputs and the result this calculator gives for each
InputResultDetail
Kindergarten5 to 6 years old5 on the cutoff date
1st grade6 to 7 years old6 on the cutoff date
2nd grade7 to 8 years old7 on the cutoff date
3rd grade8 to 9 years old8 on the cutoff date
4th grade9 to 10 years old9 on the cutoff date
5th grade10 to 11 years old10 on the cutoff date
6th grade11 to 12 years old11 on the cutoff date
7th grade12 to 13 years old12 on the cutoff date
8th grade13 to 14 years old13 on the cutoff date
9th grade14 to 15 years old14 on the cutoff date
10th grade15 to 16 years old15 on the cutoff date
11th grade16 to 17 years old16 on the cutoff date
12th grade17 to 18 years old17 on the cutoff date

Each input links to its row in the full table below.

Age by grade, kindergarten to 12th grade

Typical age runs from one cutoff date to the next: a kindergartner is 5 on the cutoff date and 6 by the next one, and each grade adds a year. Birthdays are for an on-time start in 2026–27 and follow the state picked in the calculator (Illinois, September 1, until you pick another). Each grade uses the cutoff in force in its kindergarten year where the state's law records a change, and today's cutoff otherwise.

Typical age and on-time birthdays for each grade in 2026–27
GradeTypical ageOn the cutoff dateOn-time birthdays, 2026–27
Kindergarten5 to 6 years old5 on the cutoff dateBorn Sep 2, 2020 – Sep 1, 2021
1st grade6 to 7 years old6 on the cutoff dateBorn Sep 2, 2019 – Sep 1, 2020
2nd grade7 to 8 years old7 on the cutoff dateBorn Sep 2, 2018 – Sep 1, 2019
3rd grade8 to 9 years old8 on the cutoff dateBorn Sep 2, 2017 – Sep 1, 2018
4th grade9 to 10 years old9 on the cutoff dateBorn Sep 2, 2016 – Sep 1, 2017
5th grade10 to 11 years old10 on the cutoff dateBorn Sep 2, 2015 – Sep 1, 2016
6th grade11 to 12 years old11 on the cutoff dateBorn Sep 2, 2014 – Sep 1, 2015
7th grade12 to 13 years old12 on the cutoff dateBorn Sep 2, 2013 – Sep 1, 2014
8th grade13 to 14 years old13 on the cutoff dateBorn Sep 2, 2012 – Sep 1, 2013
9th grade14 to 15 years old14 on the cutoff dateBorn Sep 2, 2011 – Sep 1, 2012
10th grade15 to 16 years old15 on the cutoff dateBorn Sep 2, 2010 – Sep 1, 2011
11th grade16 to 17 years old16 on the cutoff dateBorn Sep 2, 2009 – Sep 1, 2010
12th grade17 to 18 years old17 on the cutoff dateBorn Sep 2, 2008 – Sep 1, 2009

Sources: Education Commission of the States, U.S. Census Bureau

Grade by age, 6 to 18

A child's grade depends on whether their birthday falls on or before the cutoff date or after it: a child who is already 10 on the cutoff date is typically in 5th grade, and one who turns 10 after it is typically in 4th grade.

Typical grade for each age, by birthday before or after the cutoff
AgeAlready that age on the cutoff dateTurns that age after the cutoff date
6 years old1st gradeKindergarten
7 years old2nd grade1st grade
8 years old3rd grade2nd grade
9 years old4th grade3rd grade
10 years old5th grade4th grade
11 years old6th grade5th grade
12 years old7th grade6th grade
13 years old8th grade7th grade
14 years old9th grade8th grade
15 years old10th grade9th grade
16 years old11th grade10th grade
17 years old12th grade11th grade
18 years oldFinished high school12th grade

Sources: Education Commission of the States, U.S. Census Bureau

How it works

Work out the fall kindergarten started from the birthday and the state's cutoff date, then count school years: the school year you pick minus the kindergarten year is the grade (0 = kindergarten, 12 = 12th grade).

grade = fall year of the school year − fall year of kindergarten

  1. Find the 5th birthday and compare it with the state's cutoff: on or before means kindergarten that fall, after means the next fall.
  2. Subtract the kindergarten fall year from the fall year of the school year you picked.
  3. 0 is kindergarten, 1 to 12 are 1st to 12th grade; below 0 is before school, above 12 is after graduation.
  4. The graduating class is the spring 12th grade ends: kindergarten fall year + 13.
  5. A repeated or skipped year moves every grade after it by one.

Born April 12, 1992, in Illinois (must be 5 on or before September 1), school year 2001–02

  • 5th birthday: April 12, 1997, on or before September 1, 1997
  • Kindergarten: 1997–98
  • 2001 − 1997 = 4
  • Age on September 1, 2001: 9 (4 + 5)
  • 12th grade: 2009–10, so Class of 2010 (1997 + 13)

4th grade in 2001–02

Related: graduation calculator by birthday

What this doesn't account for

  • Your actual school record: more than one repeated or skipped grade, the years before a single one (the late or early option shifts every year), or a move between states
  • Older cutoff rules for states without a dated history here (most states use today's date)
  • District cutoff dates that differ from the state's, unless you enter one
  • Year-round calendars and school systems outside the US

Sources

  1. State K-3 Policies 2026: What is the state's kindergarten entrance date cutoff?Education Commission of the States. Checked Oct 18, 2026.
  2. 50-State Comparison: State K-3 PoliciesEducation Commission of the States. Checked Oct 18, 2026.
  3. Alaska Statutes § 14.03.080 (Right to attend school)Alaska State Legislature. Checked Oct 19, 2026.
  4. Alaska Statutes § 14.03.070 (School age)Alaska State Legislature. Checked Oct 19, 2026.
  5. HB 114 enrolled (chapter 40, SLA 2022), the Alaska Reads ActAlaska State Legislature. Checked Oct 19, 2026.
  6. Code of Alabama § 16-28-4Alabama Legislature. Checked Oct 19, 2026.
  7. Arizona Revised Statutes § 15-821Arizona State Legislature. Checked Oct 18, 2026.
  8. SB 1381 (Chapter 705, Statutes of 2010), Kindergarten Readiness Act of 2010, chaptered textCalifornia Legislature. Checked Oct 19, 2026.
  9. Welcome Families (Kindergarten in Colorado)Colorado Department of Education. Checked Oct 19, 2026.
  10. Colorado Revised Statutes 2024, Title 22 (§ 22-54-103)Colorado General Assembly. Checked Oct 19, 2026.
  11. Connecticut General Statutes, Chapter 164 (§ 10-15c)Connecticut General Assembly. Checked Oct 18, 2026.
  12. D.C. Code § 38-202Council of the District of Columbia. Checked Oct 18, 2026.
  13. Delaware Code Title 14, Chapter 27, Subchapter I (§ 2702)Delaware General Assembly. Checked Oct 19, 2026.
  14. Florida Statutes § 1003.21Florida Legislature. Checked Oct 18, 2026.
  15. Hawaii Revised Statutes § 302A-411Hawaii State Legislature. Checked Oct 19, 2026.
  16. Iowa Code § 282.3Iowa Legislature. Checked Oct 18, 2026.
  17. Idaho Code § 33-201Idaho State Legislature. Checked Oct 19, 2026.
  18. 105 ILCS 5/10-20.12Illinois General Assembly. Checked Oct 19, 2026.
  19. K.S.A. 72-3118Kansas Office of Revisor of Statutes. Checked Oct 18, 2026.
  20. KRS 158.030Kentucky General Assembly. Checked Oct 18, 2026.
  21. La. R.S. 17:151.3Louisiana State Legislature. Checked Oct 19, 2026.
  22. 603 CMR 8.00: Kindergartens: Minimum School AgeMassachusetts Department of Elementary and Secondary Education. Checked Oct 18, 2026.
  23. COMAR 13A.08.01.02 Age for School AttendanceMaryland Division of State Documents. Checked Oct 19, 2026.
  24. Maine Revised Statutes Title 20-A § 5201Maine Legislature. Checked Oct 18, 2026.
  25. MCL 380.1147Michigan Legislature. Checked Oct 19, 2026.
  26. 2012 Public Act 198 (amending MCL 380.1147)Michigan Legislature. Checked Oct 19, 2026.
  27. Minnesota Statutes § 120A.20Minnesota Office of the Revisor of Statutes. Checked Oct 18, 2026.
  28. RSMo § 160.053Missouri Revisor of Statutes. Checked Oct 18, 2026.
  29. House Bill 173, 2026 Regular Session (as introduced), reprinting Miss. Code § 37-15-9Mississippi Legislature. Checked Oct 19, 2026.
  30. Montana Code Annotated 2025, § 20-7-117Montana Legislature. Checked Oct 19, 2026.
  31. N.C. General Statutes § 115C-364North Carolina General Assembly. Checked Oct 18, 2026.
  32. Session Law 2007-173 (House Bill 150)North Carolina General Assembly. Checked Oct 18, 2026.
  33. North Dakota Century Code chapter 15.1-06 (§ 15.1-06-01)North Dakota Legislative Branch. Checked Oct 19, 2026.
  34. Nebraska Revised Statute 79-214Nebraska Legislature. Checked Oct 18, 2026.
  35. Senate Bill 64, 2026 session (as introduced), reprinting NMSA 1978 § 22-1-2New Mexico Legislature. Checked Oct 19, 2026.
  36. NRS Chapter 392 (NRS 392.040 and 392.060)Nevada Legislature. Checked Oct 18, 2026.
  37. P.L.2025, c.100 (S3910), § 12 amending N.J.S.A. 18A:44-2New Jersey Legislature. Checked Oct 19, 2026.
  38. S3910 (First Reprint), showing the changes to N.J.S.A. 18A:44-2New Jersey Legislature. Checked Oct 19, 2026.
  39. Education Law § 3202New York State Education Department. Checked Oct 18, 2026.
  40. KindergartenNew York City Public Schools. Checked Oct 18, 2026.
  41. Ohio Revised Code § 3321.01Ohio Legislative Service Commission. Checked Oct 18, 2026.
  42. Ohio Revised Code § 3321.01 (version effective October 3, 2023)Ohio Legislative Service Commission. Checked Oct 19, 2026.
  43. Oklahoma Statutes Title 70 (70 O.S. § 18-108)Oklahoma State Legislature. Checked Oct 19, 2026.
  44. ORS Chapter 336 (ORS 336.092)Oregon State Legislature. Checked Oct 18, 2026.
  45. 22 Pa. Code § 11.14Pennsylvania Code and Bulletin. Checked Oct 18, 2026.
  46. R.I. Gen. Laws § 16-2-27Rhode Island General Assembly. Checked Oct 19, 2026.
  47. South Carolina Code Title 59, Chapter 63 (§ 59-63-20)South Carolina Legislature. Checked Oct 19, 2026.
  48. SDCL 13-28-2South Dakota Legislature. Checked Oct 19, 2026.
  49. Texas Education Code Chapter 29 (§ 29.151)Texas Legislature. Checked Oct 19, 2026.
  50. Utah Code § 53G-4-402 (version effective July 1, 2026)Utah State Legislature. Checked Oct 18, 2026.
  51. Code of Virginia § 22.1-199Virginia General Assembly. Checked Oct 18, 2026.
  52. 16 V.S.A. § 1073Vermont General Assembly. Checked Oct 18, 2026.
  53. WAC 392-335-010Washington State Legislature. Checked Oct 18, 2026.
  54. Wis. Stat. § 118.14Wisconsin State Legislature. Checked Oct 19, 2026.
  55. W. Va. Code § 18-5-18West Virginia Legislature. Checked Oct 18, 2026.
  56. Wyoming Statutes Title 21 (W.S. 21-4-302)Wyoming Legislature. Checked Oct 19, 2026.
  57. Ohio Revised Code § 3313.62Ohio Legislative Service Commission. Checked Oct 18, 2026.
  58. School Enrollment in the United States: October 2024, Detailed Table 2 (All Races, spreadsheet)U.S. Census Bureau. Checked Oct 18, 2026.

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Checked by CountOnTools against its official sources on Oct 19, 2026. How we verify

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