La Mesa Elementary (Data source)
Source data for La Mesa Elementary
2015
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 1353847 | 2425 | - | 2436 | = | -11 | * | (48 | / | 159) | = | -3.32075471 | ||
| 4 | 1353848 | 2472 | - | 2485 | = | -13 | * | (64 | / | 159) | = | -5.2327044 | ||
| 5 | 1353851 | 2556 | - | 2528 | = | 28 | * | (47 | / | 159) | = | 8.27672955 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for La Mesa Elementary | 0 | ||||||||||||
2016
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 42620 | 2451 | - | 2436 | = | 15 | * | (55 | / | 152) | = | 5.42763158 | ||
| 4 | 42622 | 2477 | - | 2485 | = | -8 | * | (52 | / | 152) | = | -2.7368421 | ||
| 5 | 42624 | 2522 | - | 2528 | = | -6 | * | (45 | / | 152) | = | -1.77631579 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for La Mesa Elementary | 1 | ||||||||||||
2017
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 43689 | 2444 | - | 2436 | = | 8 | * | (73 | / | 181) | = | 3.22651934 | ||
| 4 | 43691 | 2474 | - | 2485 | = | -11 | * | (46 | / | 181) | = | -2.79558011 | ||
| 5 | 43694 | 2511 | - | 2528 | = | -17 | * | (62 | / | 181) | = | -5.82320441 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for La Mesa Elementary | -5 | ||||||||||||
2018
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 43713 | 2437 | - | 2436 | = | 1 | * | (55 | / | 143) | = | 0.38461538 | ||
| 4 | 43714 | 2511 | - | 2485 | = | 26 | * | (47 | / | 143) | = | 8.54545453 | ||
| 5 | 43717 | 2530 | - | 2528 | = | 2 | * | (41 | / | 143) | = | 0.57342657 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for La Mesa Elementary | 10 | ||||||||||||
2019
| Step 1 | Step 2 | Step 3 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Get Mean Scale Score from line numbers in this data file. | Subtract 'met min' Scale Score. from Mean Scale Score to get Distance From Standard | Multiply Distance From Standard by proportion of students in grade. | ||||||||||||
| Grade | Line number |
Mean Scale Score |
- | Scale Score: met min |
= | Distance from standard |
* | (Students tested in grade |
/ | Students) tested in school |
= | Weighted Distance From Standard |
||
| 3 | 43839 | 2460 | - | 2436 | = | 24 | * | (60 | / | 159) | = | 9.05660376 | ||
| 4 | 43840 | 2478 | - | 2485 | = | -7 | * | (48 | / | 159) | = | -2.11320754 | ||
| 5 | 43841 | 2547 | - | 2528 | = | 19 | * | (51 | / | 159) | = | 6.0943396 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for La Mesa Elementary | 13 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 0 | 1 | -5 | 10 | 13 | 19.0 | 3.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 28.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -19.25
For the lines, you have the data necessary to plot the chart.
Very last step
The percent of students getting a Free or Reduced Price Meal comes from the following sources:
| 2015 | 2016 | 2017 | 2018 | 2019 | |
|---|---|---|---|---|---|
| Percent | 19% | 19% | 19% | 13% | 16% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Monterey Peninsula Unified school district | County of Monterey
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation: wealth/poverty.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
La Mesa Elementary math proficiency
Zero+ meets standard.
12% less $meal
12% less $meal
14% less $meal
11% less $meal
• Any result above zero is proficient; below is not proficient. • There is a 99% chance that results will remain the same in coming years, which is to say, between the Upper and Lower Control Limits (the gray lines). • The houses with the % of students receiving a Free or Reduced Price Meal is a measure of wealth/poverty.