Willard Elementary (Data source)
Source data for Willard 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 | 1085140 | 2412 | - | 2436 | = | -24 | * | (85 | / | 287) | = | -7.10801393 | ||
| 4 | 1085143 | 2473 | - | 2485 | = | -12 | * | (104 | / | 287) | = | -4.34843204 | ||
| 5 | 1085144 | 2487 | - | 2528 | = | -41 | * | (98 | / | 287) | = | -13.99999997 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Willard Elementary | -25 | ||||||||||||
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 | 34007 | 2424 | - | 2436 | = | -12 | * | (99 | / | 285) | = | -4.16842105 | ||
| 4 | 34009 | 2482 | - | 2485 | = | -3 | * | (83 | / | 285) | = | -0.87368421 | ||
| 5 | 34011 | 2488 | - | 2528 | = | -40 | * | (103 | / | 285) | = | -14.45614032 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Willard Elementary | -19 | ||||||||||||
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 | 34604 | 2420 | - | 2436 | = | -16 | * | (96 | / | 275) | = | -5.58545454 | ||
| 4 | 34605 | 2480 | - | 2485 | = | -5 | * | (98 | / | 275) | = | -1.78181818 | ||
| 5 | 34608 | 2494 | - | 2528 | = | -34 | * | (81 | / | 275) | = | -10.01454544 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Willard Elementary | -17 | ||||||||||||
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 | 34607 | 2405 | - | 2436 | = | -31 | * | (89 | / | 292) | = | -9.44863012 | ||
| 4 | 34608 | 2480 | - | 2485 | = | -5 | * | (107 | / | 292) | = | -1.83219178 | ||
| 5 | 34611 | 2495 | - | 2528 | = | -33 | * | (96 | / | 292) | = | -10.84931506 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Willard Elementary | -22 | ||||||||||||
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 | 34778 | 2412 | - | 2436 | = | -24 | * | (122 | / | 322) | = | -9.09316769 | ||
| 4 | 34779 | 2481 | - | 2485 | = | -4 | * | (98 | / | 322) | = | -1.2173913 | ||
| 5 | 34780 | 2486 | - | 2528 | = | -42 | * | (102 | / | 322) | = | -13.30434781 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Willard Elementary | -24 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -25 | -19 | -17 | -22 | -24 | -107.0 | -21.4 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: -12.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -30.4
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 | 71% | 69% | 69% | 67% | 66% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Pasadena Unified school district | County of Los Angeles
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.
Willard Elementary math proficiency
Zero+ meets standard.
61% less $meal
58% less $meal
58% less $meal
59% less $meal
57% 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.