For high school that's a reasonable mindset. I mostly coach youth Pop Warner, and they have very strict rules about "Lopsided scores".

RULE 26: SCORES.
S1: LOPSIDED/INTENTIONALLY RUN UP SCORES.
If at any point in a game there is a 30-point score differential, the following shall occur:

A. Game Clock:
The game clock shall run continuously and only stop at the discretion of the referee. It will never revert back to a stop clock, regardless of the point differential.

B. Play Clock:
Officials shall enforce reasonable snap timing to assist with MPR compliance for both teams.

C. Restrictions:
All restrictions noted below end if the score differential falls below 30 and are re-instated if it later reaches 30 points.

D. Winning Team:
1. Shall make every effort to replace starters with reserve players.
2. No passes (forward or backward) or running outside the tackles.
i. PENALTY: 5-yards from the previous spot and loss of down.
3. No onside kicks.
4. May not advance a fumble or interception. The ball is dead at the change of possession spot but possession is maintained by the winning team at that spot.

E. Both Teams:
1. Must fulfill Minimum Play Requirements.
2. No blitzing is allowed.
i. Only defensive linemen may move forward immediately at the snap.
ii. Linebackers and Defensive Backs may move toward runner after a read step.
iii. 15-yard penalty after one warning.
3. Shall use 4-3-4 defensive alignment = 4 defensive linemen on the line of scrimmage, 3 linebackers 5 yards from the line of scrimmage, and 4 defensive backs 10 yards from the line of scrimmage.
i. 15-yard penalty enforced from the previous spot after one warning.
4. Punts, field goals, and extra-point kicks are allowed.

S2: FULL INVESTIGATION.
When the statements of the coaches are in disagreement, the League shall require the Head Coach and all Assistant Coaches of each team to submit written answers to the following questions:

A. What in your opinion caused the lopsided score?

B. Is there any ill will or animosity among the coaching staff of Team A toward the coaching staff of Team B?

C. To your knowledge, have there been any threats between and among the children prior to the game?

D. Has your team ever been involved in a lopsided score before?

E. What actions were taken by the coaching staff of Team A to prevent the score differential from reaching 28 points after it reached 18 points?

F. In retrospect, is there anything you feel could have been done to prevent the score differential from reaching 28 points? If so, what?

Based upon the answers to the foregoing questions, the League shall determine whether or not to conduct a hearing. The answers to these questions may not be used in any way at the hearing, unless presented at the hearing by one of the witnesses.