School rules

School Lunch Standards Checker

Every school that asks you to pack a lunch has its own rules, and no two rule books agree. Some publish a table of portions for five food groups, some publish a short list of what may not go in the box, and some publish nothing except a drop-off time and a warning about nuts. This checker treats your school as the source of truth: you type in the portions the handbook asks for, you type in what is really in the box, and the page works out group by group where you are short and where you have packed more than the rule allows. It also checks the window between the moment you walk out of the door and the moment the box has to be handed in, because a lunch that misses the kitchen cut-off does not count however well balanced it is. Nothing on this page is a national standard, and nothing here is invented. If the numbers come out wrong, they came from a rule book this page has never seen.

School name (for your own notes)

Used only as a label in the result

Standard: fruit per lunch (cups)

Copy the number the handbook prints

Standard: vegetables per lunch (cups)

Standard: grains per lunch (oz eq)

Ounces, or ounce-equivalents, as printed

Standard: protein per lunch (oz)

One ounce is about 28 g

Standard: milk or dairy per lunch (cups)

Packed: fruit (cups)

Packed: vegetables (cups)

Packed: grains (oz eq)

Packed: protein (oz)

Packed: milk or dairy (cups)

You leave home at

24-hour clock, for example 07:10

Lunch must be handed in by

Use the earliest time the office accepts boxes

Minutes you actually spend packing

Result

How to use it

STEP 1

Open the school handbook, the newsletter or the parent portal and find the portion table. Most schools print it once, usually near the food policy, and it changes when the kitchen changes suppliers. Copy the five numbers straight across into the standard fields, keeping the unit the handbook uses - cups, ounces or ounce-equivalents.

STEP 2

Fill in the packed fields with what is really in the box today, not what you plan to pack. Half a sliced apple counts as 0.25 cup of fruit, not half a piece. If you are guessing at a weight, weigh one portion on the kitchen scale once and reuse that number for the rest of the week.

STEP 3

Set the two clock times: the moment you walk out of the door and the time the box has to be handed in at the office. Most schools publish a window rather than a single time, and the earliest accepted time is the one that matters when the box has to sit in a cold store or on a warm trolley.

STEP 4

Read the group lines from the top. Short lines are where you can add one small thing, such as a fruit or a vegetable. Over lines are usually where lunch gets wasted, because the child eats the parts they like and leaves the rest. The clock rows tell you whether a gap can be fixed on the morning or needs a change the night before.

Three common mistakes

Comparing different units. A standard of 1/2 cup of vegetables cannot be checked against 2 ounces of cheese sticks: the gap number will look reasonable while the comparison means nothing. Enter each group in the unit its label shows, and use the same unit for the standard and the packed amount.
Typing a percentage instead of a portion. Some handbooks print both, such as 1 cup of fruit and 30 percent of a daily pattern. If 30 goes into a cup field, every group reads as 29 cups over. The standard fields are amounts, never percentages.
Packing to the standard and ignoring what comes home. A child who consistently returns 40 percent of the sandwich has already told you that the standard is not their standard, and packing more of the same food makes the waste worse rather than the lunch better.
Assuming the hand-in time never moves. Some schools lock the kitchen at a fixed time for hot lunches, others accept boxes until the bell, and some run a separate late drop for morning activities. Use the earliest time the office accepts boxes, and re-check at the start of each term, because the timing often changes with the timetable.

Why no two school numbers will ever match

Before you copy any number in, it helps to know that school lunch rules sit in one of two very different worlds. In some schools the kitchen cooks the meal and the packed box is a snack on top of it, so the handbook portions describe what the child eats at school and your box should stay small. In other schools the packed box is the meal, the portions in the handbook are the whole allowance, and a box that is short on two groups is a genuinely unbalanced day.

The same rule book usually prints the five food groups, and the measurement unit changes from group to group: fruit and vegetables in cups, protein in ounces, grains sometimes in slices and sometimes in ounce-equivalents, milk in millilitres or in cups. Here is what the common measurements look like in real food, so you can convert a portion quickly without a scale:

1/2 cup of fruit is roughly 80 g diced, or one small apple of about 70 g;
1/2 cup of vegetables is roughly 60 g diced, which is 4 baby carrots sliced thin, or 6 snap peas;
1 ounce of protein is 28 g, about the size of a deck of cards, so 2 oz is a slice of cheese plus a small chicken portion;
1/2 cup of milk is about 120 ml, which is a small single-serve carton rather than a full glass.

One more trap: some handbooks write one serving instead of a number. One serving of fruit at one school may be a small apple and at the next school it may be a full banana, which is nearly twice the weight. That is why this page never carries a built-in standard. There is no single set of numbers that would be honest across schools and countries, so you enter them and the page checks the arithmetic.

The five groups, worked through with real numbers

The form above is pre-filled with a plausible set of values so you can see the shape of the output before you change anything: a standard of 1 cup of fruit, 0.75 cup of vegetables, 1.5 ounce-equivalents of grains, 2 ounces of protein and 0.5 cup of milk, against a box holding 0.5 cup of fruit, 0.25 cup of vegetables, 1.5 ounce-equivalents of grains, 2 ounces of protein and 0.5 cup of milk.

Read the result group by group and it says something quite specific. The fruit is short 0.50 cup, which is 50.0 percent below the standard. The vegetables are short 0.50 cup, which is 66.7 percent below - the same absolute gap as the fruit, but a bigger proportional miss because the vegetable standard is smaller. Grains, protein and milk are exactly on target, so the page counts 3 of 5 groups met. That is a box that is well built in three places and starved in two.

The difference between the two short lines is the useful part. The fruit gap can be closed with a whole small apple, about 70 g. The vegetable gap of 0.50 cup is roughly 4 baby carrots sliced thin or 6 snap peas, which is a two-minute job if you cut them on Sunday and 8.2 cups of raw carrot if you buy them whole. The page cannot know which of those is realistic for you, but it does tell you the size of the hole you have to fill and which hole is bigger in proportion.

Over-packed groups matter just as much. If the same child gets 2 cups of grains when the handbook allows 1.5, the extra half cup is not extra nutrition, it is weight the child carries and often does not eat. Two of the three grains sit untouched in the box and the school has done your cooking for you.

Cut-off times, kitchen locks and how long the box waits

The second half of the check is the clock, and for many families it matters more than the food groups. With the sample times entered - leaving home at 07:10, hand-in by 08:30, and 12 minutes of actual packing - the window between the door and the office is 80 minutes, and the packing itself uses 12 of them, leaving 68 minutes of slack. That slack is your budget for a change: it is comfortably enough to slice a carrot and add it to the box, and it is not enough to cook a grain from scratch.

Now shorten the window. A school with a 07:45 hand-in gives you 35 minutes, and 12 of them are packing, so you have 23 minutes of slack. A school with an 08:00 hand-in and a 20-minute pack job leaves 8 minutes, which is the difference between adding a vegetable and not adding a vegetable.

What the window cannot tell you is what happens to the food afterwards, and that is worth a question at the office rather than a guess. A box handed in at 08:30 for a 12:30 service waits close to four hours. Whether that is fine depends on the school, not on this page: some have a refrigerator for packed boxes, some keep them in a cool room, some park them on a trolley in a corridor that is warm in July. Ask where the boxes are stored and at what temperature, and if the answer is a warm trolley, then the foods that travel badly are exactly the ones that are easy to fix - swap the mayonnaise-based tuna salad for cheese, or move the salad out into its own pot.

One practical habit falls out of this: pack the fragile items last. The vegetables, the cut fruit and anything crisp go in after the bread and the heavier items, so they sit on top and do not get crushed on the way to school.

FAQ

My school cooks a hot lunch. Do I still need to pack one?

Not usually, and this checker is aimed at the case where the packed box is the meal. When the school cooks the meal, the handbook portions describe the school meal, not your box, and packing a full second lunch usually means the child refuses one of them. Many schools still ask for a snack box on days the hot meal is not served, or on the days the child is off-site. For those, enter the snack portion the handbook gives, and treat the rest of the fields as empty. If you are not sure what the school expects on which days, the office will tell you in one sentence, and that is worth more than any rule on this page.

The handbook says 1/2 cup of vegetables. How do I measure that at 6:45 in the morning?

You do not need a measuring cup in the morning. 1/2 cup of vegetables is about the volume of a child fist, and 60 g diced is roughly 4 baby carrots sliced thin, 6 snap peas, 8 sugar snap peas, a third of a cucumber or 5 cherry tomatoes. The trick is to do the cutting once: wash, cut and weigh a batch on Sunday, then move five portions into containers. A 250 g bag of carrots cut up on Sunday turns into five school-day portions and takes about 12 minutes, which is far less than the four separate evenings it saves.

Our rules changed this term. Do I have to redo everything?

Only the standard fields, and usually only two of them. The checker holds no memory between visits, so what you typed last month is gone; the packed fields are still valid if the box has not changed. When a school changes its policy it is usually one group that moves, for example a new milk or water rule, and the largest single gap line tells you immediately where the work is. If the school sends the change by email, keep it with the handbook, because the version in your inbox from October is not the version in force in January.

Can I use this to check a school we do not know yet, for a child starting in September?

You can look at the box on its own by leaving the standard fields at zero, which tells you what the current lunch contains and how long it takes to pack, but the checker will have nothing to compare against. For a new school, ask the office for the written food policy before the term starts rather than after the first complaint. Many offices will email the portion table, the hand-in window and the allergy procedure as a single sheet, which takes one message and answers every field on this page at once.

What if my child has an allergy or follows a medical dietary plan?

This page only compares numbers that you typed. It does not read ingredient lists, it does not judge any food as safe or unsafe, and it cannot confirm that a meal meets a clinical plan. If an allergy or a medical diet applies, treat the written plan from the school office and the clinician as the standard: enter the portions from that plan into the standard fields and let the checker find where the packed box departs from it. Also confirm with the office how the school stores and serves packed boxes, and make sure the written arrangements cover what happens when the child does not like a food rather than only what the child may eat.

Limits of this tool

Every number on this page comes from the fields you fill in. There is no built-in rule book, no government list and no default standard, so a result is only ever as accurate as the handbook you copied from.
Portions are compared inside one group only. Cups of fruit are never added to ounces of protein, so the short count is a count of groups that fall short, not a single total weight.
The clock rows use only the two times you enter and the packing time you claim. The page does not know whether the school has a refrigerator, how long the box waits before service, or the temperature of the room.
Nothing here is medical or dietary advice. Where an allergy or a clinical plan affects what a child may eat, confirm the written arrangements with the school and with the clinician.