Lincoln Elementary (Data source)
Source data for Lincoln 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 | 1359744 | 2396 | - | 2436 | = | -40 | * | (84 | / | 306) | = | -10.98039212 | ||
| 4 | 1359747 | 2418 | - | 2485 | = | -67 | * | (96 | / | 306) | = | -21.01960783 | ||
| 5 | 1359748 | 2438 | - | 2528 | = | -90 | * | (63 | / | 306) | = | -18.52941168 | ||
| 6 | 1359751 | 2440 | - | 2552 | = | -112 | * | (63 | / | 306) | = | -23.05882342 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lincoln Elementary | -74 | ||||||||||||
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 | 42779 | 2397 | - | 2436 | = | -39 | * | (96 | / | 326) | = | -11.48466255 | ||
| 4 | 42781 | 2406 | - | 2485 | = | -79 | * | (86 | / | 326) | = | -20.84049072 | ||
| 5 | 42783 | 2449 | - | 2528 | = | -79 | * | (89 | / | 326) | = | -21.56748459 | ||
| 6 | 42784 | 2473 | - | 2552 | = | -79 | * | (55 | / | 326) | = | -13.32822082 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lincoln Elementary | -67 | ||||||||||||
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 | 43854 | 2384 | - | 2436 | = | -52 | * | (97 | / | 332) | = | -15.19277105 | ||
| 4 | 43856 | 2429 | - | 2485 | = | -56 | * | (91 | / | 332) | = | -15.34939756 | ||
| 5 | 43858 | 2464 | - | 2528 | = | -64 | * | (76 | / | 332) | = | -14.65060237 | ||
| 6 | 43860 | 2486 | - | 2552 | = | -66 | * | (68 | / | 332) | = | -13.51807228 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lincoln Elementary | -59 | ||||||||||||
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 | 43870 | 2389 | - | 2436 | = | -47 | * | (91 | / | 356) | = | -12.01404492 | ||
| 4 | 43873 | 2451 | - | 2485 | = | -34 | * | (89 | / | 356) | = | -8.5 | ||
| 5 | 43874 | 2483 | - | 2528 | = | -45 | * | (93 | / | 356) | = | -11.75561798 | ||
| 6 | 43877 | 2495 | - | 2552 | = | -57 | * | (83 | / | 356) | = | -13.28932582 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lincoln Elementary | -46 | ||||||||||||
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 | 44002 | 2420 | - | 2436 | = | -16 | * | (61 | / | 319) | = | -3.05956112 | ||
| 4 | 44003 | 2461 | - | 2485 | = | -24 | * | (88 | / | 319) | = | -6.62068963 | ||
| 5 | 44004 | 2488 | - | 2528 | = | -40 | * | (87 | / | 319) | = | -10.90909088 | ||
| 6 | 44005 | 2555 | - | 2552 | = | 3 | * | (83 | / | 319) | = | 0.78056426 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lincoln Elementary | -20 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -74 | -67 | -59 | -46 | -20 | -266.0 | -53.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 9.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -116.2
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 | 43% | 43% | 41% | 44% | 43% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Salinas City Elementary 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.
Lincoln Elementary math proficiency
Zero+ meets standard.
32% less $meal
37% less $meal
33% less $meal
38% less $meal
38% 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.