Barbara Benson Elementary (Data source)
Source data for Barbara Benson 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 | 1569988 | 2450 | - | 2436 | = | 14 | * | (49 | / | 164) | = | 4.18292682 | ||
| 4 | 1569989 | 2487 | - | 2485 | = | 2 | * | (64 | / | 164) | = | 0.7804878 | ||
| 5 | 1569992 | 2510 | - | 2528 | = | -18 | * | (51 | / | 164) | = | -5.59756096 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Barbara Benson Elementary | -1 | ||||||||||||
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 | 49142 | 2445 | - | 2436 | = | 9 | * | (48 | / | 159) | = | 2.71698113 | ||
| 4 | 49144 | 2471 | - | 2485 | = | -14 | * | (50 | / | 159) | = | -4.40251571 | ||
| 5 | 49147 | 2533 | - | 2528 | = | 5 | * | (61 | / | 159) | = | 1.91823899 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Barbara Benson Elementary | 0 | ||||||||||||
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 | 50485 | 2435 | - | 2436 | = | -1 | * | (52 | / | 144) | = | -0.36111111 | ||
| 4 | 50486 | 2456 | - | 2485 | = | -29 | * | (49 | / | 144) | = | -9.86805553 | ||
| 5 | 50488 | 2508 | - | 2528 | = | -20 | * | (43 | / | 144) | = | -5.97222222 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Barbara Benson Elementary | -16 | ||||||||||||
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 | 50507 | 2425 | - | 2436 | = | -11 | * | (46 | / | 152) | = | -3.32894736 | ||
| 4 | 50509 | 2471 | - | 2485 | = | -14 | * | (52 | / | 152) | = | -4.78947368 | ||
| 5 | 50511 | 2504 | - | 2528 | = | -24 | * | (54 | / | 152) | = | -8.52631577 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Barbara Benson 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 | 50707 | 2427 | - | 2436 | = | -9 | * | (48 | / | 142) | = | -3.04225352 | ||
| 4 | 50708 | 2463 | - | 2485 | = | -22 | * | (40 | / | 142) | = | -6.19718308 | ||
| 5 | 50709 | 2538 | - | 2528 | = | 10 | * | (54 | / | 142) | = | 3.8028169 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Barbara Benson Elementary | -5 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -1 | 0 | -16 | -17 | -5 | -39.0 | -7.8 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 11.25
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -30.75
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 | 46% | 50% | 49% | 48% | 47% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Tustin Unified school district | County of Orange
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.
Barbara Benson Elementary math proficiency
Zero+ meets standard.
35% less $meal
35% less $meal
35% less $meal
41% 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.