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 | 2159634 | 2376 | - | 2436 | = | -60 | * | (111 | / | 326) | = | -20.42944782 | ||
| 4 | 2159635 | 2413 | - | 2485 | = | -72 | * | (99 | / | 326) | = | -21.86503063 | ||
| 5 | 2159638 | 2449 | - | 2528 | = | -79 | * | (116 | / | 326) | = | -28.11042938 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Lincoln Elementary | -70 | ||||||||||||
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 | 66305 | 2396 | - | 2436 | = | -40 | * | (110 | / | 300) | = | -14.66666664 | ||
| 4 | 66306 | 2437 | - | 2485 | = | -48 | * | (99 | / | 300) | = | -15.84 | ||
| 5 | 66308 | 2439 | - | 2528 | = | -89 | * | (91 | / | 300) | = | -26.99666664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Lincoln Elementary | -58 | ||||||||||||
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 | 68134 | 2404 | - | 2436 | = | -32 | * | (94 | / | 282) | = | -10.66666666 | ||
| 4 | 68136 | 2446 | - | 2485 | = | -39 | * | (96 | / | 282) | = | -13.27659571 | ||
| 5 | 68139 | 2437 | - | 2528 | = | -91 | * | (92 | / | 282) | = | -29.68794319 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Lincoln Elementary | -54 | ||||||||||||
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 | 68291 | 2397 | - | 2436 | = | -39 | * | (81 | / | 271) | = | -11.65682653 | ||
| 4 | 68293 | 2444 | - | 2485 | = | -41 | * | (98 | / | 271) | = | -14.82656826 | ||
| 5 | 68295 | 2447 | - | 2528 | = | -81 | * | (92 | / | 271) | = | -27.49815491 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Lincoln Elementary | -54 | ||||||||||||
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 | 68799 | 2408 | - | 2436 | = | -28 | * | (83 | / | 245) | = | -9.48571428 | ||
| 4 | 68800 | 2440 | - | 2485 | = | -45 | * | (72 | / | 245) | = | -13.2244898 | ||
| 5 | 68801 | 2449 | - | 2528 | = | -79 | * | (90 | / | 245) | = | -29.0204081 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Lincoln Elementary | -52 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -70 | -58 | -54 | -54 | -52 | -288.0 | -57.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -36.6
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -78.6
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 | 95% | 92% | 96% | 94% | 94% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Escondido Union 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.
Lincoln Elementary math proficiency
Zero+ meets standard.
87% less $meal
84% less $meal
87% less $meal
83% 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.