Maryland Elementary (Data source)
Source data for Maryland 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 | 2313326 | 2401 | - | 2436 | = | -35 | * | (86 | / | 285) | = | -10.56140348 | ||
| 4 | 2313329 | 2436 | - | 2485 | = | -49 | * | (98 | / | 285) | = | -16.8491228 | ||
| 5 | 2313330 | 2428 | - | 2528 | = | -100 | * | (101 | / | 285) | = | -35.4385964 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Maryland Elementary | -63 | ||||||||||||
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 | 70797 | 2384 | - | 2436 | = | -52 | * | (100 | / | 292) | = | -17.80821916 | ||
| 4 | 70800 | 2427 | - | 2485 | = | -58 | * | (91 | / | 292) | = | -18.07534243 | ||
| 5 | 70802 | 2459 | - | 2528 | = | -69 | * | (101 | / | 292) | = | -23.86643829 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Maryland Elementary | -60 | ||||||||||||
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 | 72650 | 2392 | - | 2436 | = | -44 | * | (84 | / | 269) | = | -13.73977691 | ||
| 4 | 72653 | 2403 | - | 2485 | = | -82 | * | (94 | / | 269) | = | -28.65427508 | ||
| 5 | 72655 | 2452 | - | 2528 | = | -76 | * | (91 | / | 269) | = | -25.71003711 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Maryland Elementary | -68 | ||||||||||||
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 | 72779 | 2418 | - | 2436 | = | -18 | * | (90 | / | 253) | = | -6.40316205 | ||
| 4 | 72782 | 2400 | - | 2485 | = | -85 | * | (79 | / | 253) | = | -26.54150194 | ||
| 5 | 72783 | 2432 | - | 2528 | = | -96 | * | (84 | / | 253) | = | -31.87351776 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Maryland Elementary | -65 | ||||||||||||
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 | 73255 | 2424 | - | 2436 | = | -12 | * | (116 | / | 312) | = | -4.46153845 | ||
| 4 | 73256 | 2422 | - | 2485 | = | -63 | * | (102 | / | 312) | = | -20.59615379 | ||
| 5 | 73257 | 2421 | - | 2528 | = | -107 | * | (94 | / | 312) | = | -32.23717946 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Maryland Elementary | -57 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -63 | -60 | -68 | -65 | -57 | -313.0 | -62.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -50.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -74.6
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 | 96% | 93% | 94% | 94% | 93% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Vista Unified school district | County of San Diego
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.
Maryland Elementary math proficiency
Zero+ meets standard.
89% less $meal
87% less $meal
84% less $meal
86% less $meal
85% 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.