Orchard Dale Elementary (Data source)
Source data for Orchard Dale 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 | 687234 | 2412 | - | 2436 | = | -24 | * | (94 | / | 306) | = | -7.37254901 | ||
| 4 | 687237 | 2440 | - | 2485 | = | -45 | * | (113 | / | 306) | = | -16.61764703 | ||
| 5 | 687238 | 2475 | - | 2528 | = | -53 | * | (99 | / | 306) | = | -17.14705878 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Orchard Dale Elementary | -41 | ||||||||||||
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 | 21721 | 2438 | - | 2436 | = | 2 | * | (83 | / | 301) | = | 0.55149502 | ||
| 4 | 21722 | 2451 | - | 2485 | = | -34 | * | (100 | / | 301) | = | -11.29568104 | ||
| 5 | 21724 | 2485 | - | 2528 | = | -43 | * | (118 | / | 301) | = | -16.85714285 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Orchard Dale Elementary | -28 | ||||||||||||
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 | 22140 | 2418 | - | 2436 | = | -18 | * | (102 | / | 285) | = | -6.44210525 | ||
| 4 | 22141 | 2452 | - | 2485 | = | -33 | * | (79 | / | 285) | = | -9.14736841 | ||
| 5 | 22144 | 2487 | - | 2528 | = | -41 | * | (104 | / | 285) | = | -14.96140348 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Orchard Dale Elementary | -31 | ||||||||||||
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 | 22127 | 2441 | - | 2436 | = | 5 | * | (81 | / | 263) | = | 1.53992395 | ||
| 4 | 22128 | 2465 | - | 2485 | = | -20 | * | (99 | / | 263) | = | -7.5285171 | ||
| 5 | 22131 | 2494 | - | 2528 | = | -34 | * | (83 | / | 263) | = | -10.730038 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Orchard Dale Elementary | -17 | ||||||||||||
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 | 22304 | 2439 | - | 2436 | = | 3 | * | (103 | / | 277) | = | 1.11552347 | ||
| 4 | 22305 | 2493 | - | 2485 | = | 8 | * | (74 | / | 277) | = | 2.13718411 | ||
| 5 | 22306 | 2488 | - | 2528 | = | -40 | * | (100 | / | 277) | = | -14.4404332 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Orchard Dale Elementary | -11 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -41 | -28 | -31 | -17 | -11 | -128.0 | -25.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 7.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -58.6
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 | 55% | 53% | 50% | 51% | 55% |
| 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.
Orchard Dale Elementary math proficiency
Zero+ meets standard.
42% less $meal
43% less $meal
38% less $meal
41% less $meal
46% 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.