Scott Avenue Elementary (Data source)
Source data for Scott Avenue 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 | 687510 | 2414 | - | 2436 | = | -22 | * | (84 | / | 295) | = | -6.26440676 | ||
| 4 | 687513 | 2464 | - | 2485 | = | -21 | * | (117 | / | 295) | = | -8.32881355 | ||
| 5 | 687514 | 2502 | - | 2528 | = | -26 | * | (94 | / | 295) | = | -8.28474574 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Scott Avenue Elementary | -23 | ||||||||||||
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 | 21729 | 2448 | - | 2436 | = | 12 | * | (107 | / | 316) | = | 4.06329113 | ||
| 4 | 21730 | 2472 | - | 2485 | = | -13 | * | (90 | / | 316) | = | -3.70253164 | ||
| 5 | 21733 | 2497 | - | 2528 | = | -31 | * | (119 | / | 316) | = | -11.67405062 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Scott Avenue Elementary | -11 | ||||||||||||
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 | 22148 | 2449 | - | 2436 | = | 13 | * | (112 | / | 310) | = | 4.69677419 | ||
| 4 | 22150 | 2490 | - | 2485 | = | 5 | * | (106 | / | 310) | = | 1.70967742 | ||
| 5 | 22151 | 2493 | - | 2528 | = | -35 | * | (92 | / | 310) | = | -10.38709676 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Scott Avenue Elementary | -4 | ||||||||||||
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 | 22135 | 2438 | - | 2436 | = | 2 | * | (94 | / | 316) | = | 0.59493671 | ||
| 4 | 22137 | 2502 | - | 2485 | = | 17 | * | (115 | / | 316) | = | 6.18670885 | ||
| 5 | 22139 | 2526 | - | 2528 | = | -2 | * | (107 | / | 316) | = | -0.67721519 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Scott Avenue Elementary | 6 | ||||||||||||
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 | 22312 | 2435 | - | 2436 | = | -1 | * | (92 | / | 297) | = | -0.30976431 | ||
| 4 | 22313 | 2474 | - | 2485 | = | -11 | * | (92 | / | 297) | = | -3.4074074 | ||
| 5 | 22314 | 2523 | - | 2528 | = | -5 | * | (113 | / | 297) | = | -1.9023569 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Scott Avenue Elementary | -6 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -23 | -11 | -4 | 6 | -6 | -38.0 | -7.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 22.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -37.6
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 | 45% | 44% | 45% | 50% | 53% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
East Whittier City Elementary 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.
Scott Avenue Elementary math proficiency
Zero+ meets standard.
35% less $meal
33% less $meal
36% less $meal
40% less $meal
43% 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.