Henry Dalton Elementary (Data source)
Source data for Henry Dalton 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 | 622374 | 2377 | - | 2436 | = | -59 | * | (63 | / | 157) | = | -23.67515922 | ||
| 4 | 622375 | 2405 | - | 2485 | = | -80 | * | (44 | / | 157) | = | -22.42038216 | ||
| 5 | 622377 | 2433 | - | 2528 | = | -95 | * | (50 | / | 157) | = | -30.25477702 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Henry Dalton Elementary | -76 | ||||||||||||
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 | 19889 | 2396 | - | 2436 | = | -40 | * | (55 | / | 153) | = | -14.37908496 | ||
| 4 | 19892 | 2410 | - | 2485 | = | -75 | * | (54 | / | 153) | = | -26.4705882 | ||
| 5 | 19894 | 2484 | - | 2528 | = | -44 | * | (44 | / | 153) | = | -12.65359476 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Henry Dalton Elementary | -54 | ||||||||||||
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 | 20201 | 2422 | - | 2436 | = | -14 | * | (36 | / | 140) | = | -3.6 | ||
| 4 | 20203 | 2422 | - | 2485 | = | -63 | * | (51 | / | 140) | = | -22.94999998 | ||
| 5 | 20206 | 2451 | - | 2528 | = | -77 | * | (53 | / | 140) | = | -29.14999996 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Henry Dalton Elementary | -56 | ||||||||||||
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 | 20202 | 2413 | - | 2436 | = | -23 | * | (49 | / | 138) | = | -8.16666665 | ||
| 4 | 20205 | 2462 | - | 2485 | = | -23 | * | (41 | / | 138) | = | -6.83333333 | ||
| 5 | 20206 | 2472 | - | 2528 | = | -56 | * | (48 | / | 138) | = | -19.47826082 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Henry Dalton Elementary | -34 | ||||||||||||
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 | 20380 | 2417 | - | 2436 | = | -19 | * | (48 | / | 138) | = | -6.60869563 | ||
| 4 | 20381 | 2458 | - | 2485 | = | -27 | * | (50 | / | 138) | = | -9.78260868 | ||
| 5 | 20382 | 2511 | - | 2528 | = | -17 | * | (40 | / | 138) | = | -4.92753622 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Henry Dalton Elementary | -21 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -76 | -54 | -56 | -34 | -21 | -241.0 | -48.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 14.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -111.2
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 | 84% | 82% | 85% | 86% | 84% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Azusa 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.
Henry Dalton Elementary math proficiency
Zero+ meets standard.
75% less $meal
74% less $meal
74% less $meal
76% less $meal
74% 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.