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USD #421 Lyndon
421 E 6th St.
Lyndon, Kansas 66451

Summer Office Hours:  

Monday – Friday 

7:30 a.m. – 3:30 p.m.


Phone: 785-828-4413
Fax: 785-828-3686
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Lyndon High School ACT scores remain above state average

The ACT has released the average test scores for 2017 LHS graduates and graduates throughout the State of Kansas.  For the fourth consecutive year, LHS graduates have exceeded the state average score.  Lyndon High School graduated 29 individuals in 2017, of that number, 21 took the ACT test. Those 21 students, had an average score of 22.8 while state wide the score was 21.7.

The graph below shows the five year trend in each of the areas tested by ACT and the composite score.

Five Year Trends – ‚ÄčAverage ACT Scores

Grad Year Total Tested English Mathematics Reading Science Composite
  School State School State School State School State School State School State
2013 33 24,268 18.8 21.2 20.6 21.7 20.0 22.3 21.3 21.7 20.4 21.8
2014 29 23,924 21.4 21.4 22.1 21.7 22.4 22.5 21.9 21.8 22.1 22.0
2015 24 23,708 20.6 21.3 22.5 21.6 21.7 22.4 22.5 21.8 21.9 21.9
2016 17 24,488 23.8 21.3 22.9 21.5 24.5 22.5 24.1 21.8 23.9 21.9
2017 21 24,741 21.9 21.1 22.7 21.3 22.6 22.3 23.1 21.7 22.8 21.7

Mr. Elton Decker Inducted into the

USD #421Ring of Honor


Mr. Elton Decker was inducted into the Lyndon Unified School District 421 Ring of Honor. The ceremony inducting Mr. Decker was conducted during halftime of the September 8, 2017 football game. On behalf of the Board of Education, Mrs. Melissa Herdman presented Mr. Decker a plaque commemorating his induction into the Ring of Honor. Lyndon High School principal Brad Marcotte announced the award to spectators attending the game and to the members of Mr. Decker’s family who were present for the presentation of the honor.

Mr. Marcotte stated, “For 26 years Elton Decker was a staple in USD 421 transportation department. Elton spent most of his school years as the head bus driver for the dMr. and Mrs. Decker and their family.istrict. He not only faithfully did his job as a first class route driver but was always first in line to take our students to countless activities. In addition, for many years he was part of the chain gang at our football games. His hard work, commitment and love for students was second to none. Still to this day, he attends every game and is our biggest fan, a true Lyndon Tiger. Elton is very proud that his four children, five grandchildren, and six and counting great grandchildren have attended or are attending the Lyndon Schools.”

A link to a video of Mr. Decker being inducted into the “Ring of Honor” is here.

Congratulations to Mr. Elton Decker for being inducted into the USD #421 Ring of Honor.


BandLyndon High School Marching Band

Awarded a “1” at Kansas State Fair

Mr. Kaufman, Director of Lyndon High School’s Marching Ban is proud to announce the Lyndon High School Marching Band was awarded a 1 rating, the highest rating that is awarded at the Kansas State Fair Marching Competition. A 1 rating is the highest rating a marching can receive in the competition and is defined as outstanding. The competition was held in Hutchinson, Kansas on September 11th. Congratulations to the Lyndon High School Marching Band and Director Michael Kaufman.


"Any girl interested in playing high school volleyball next year needs to email Coach Fuller at fullerh@usd421.org that she can make sure you are informed about camp next week."

2017-2018 Printable School Calendar


Physical Form







LYNDON U.S.D. #421 is accepting applications for the following positions for the 2017-2018 school year:

And letters of interest for the following:

LMS Asst. Girls Basketball Coach

LHS Asst. Baseball Coach

   Deadline for applications until positions are filled

For more information – Donnalee Mounkes, Clerk –

District Office, 421 East 6th Street, Lyndon, Kansas 66451

(785) 828-4413.

(This institution is an Equal Opportunity Employer)


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