Green Acres Elementary (Data source)
Source data for Green Acres 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 | 2742948 | 2423 | - | 2436 | = | -13 | * | (76 | / | 197) | = | -5.01522843 | ||
| 4 | 2742951 | 2439 | - | 2485 | = | -46 | * | (58 | / | 197) | = | -13.54314718 | ||
| 5 | 2742952 | 2449 | - | 2528 | = | -79 | * | (63 | / | 197) | = | -25.26395937 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Green Acres Elementary | -44 | ||||||||||||
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 | 83391 | 2438 | - | 2436 | = | 2 | * | (64 | / | 191) | = | 0.67015707 | ||
| 4 | 83393 | 2471 | - | 2485 | = | -14 | * | (73 | / | 191) | = | -5.35078533 | ||
| 5 | 83394 | 2474 | - | 2528 | = | -54 | * | (54 | / | 191) | = | -15.2670157 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Green Acres Elementary | -20 | ||||||||||||
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 | 85712 | 2412 | - | 2436 | = | -24 | * | (53 | / | 184) | = | -6.91304347 | ||
| 4 | 85715 | 2482 | - | 2485 | = | -3 | * | (61 | / | 184) | = | -0.99456522 | ||
| 5 | 85716 | 2485 | - | 2528 | = | -43 | * | (70 | / | 184) | = | -16.35869563 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Green Acres Elementary | -24 | ||||||||||||
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 | 85940 | 2443 | - | 2436 | = | 7 | * | (46 | / | 161) | = | 2.0 | ||
| 4 | 85942 | 2468 | - | 2485 | = | -17 | * | (56 | / | 161) | = | -5.91304346 | ||
| 5 | 85943 | 2519 | - | 2528 | = | -9 | * | (59 | / | 161) | = | -3.29813664 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Green Acres Elementary | -7 | ||||||||||||
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 | 86532 | 2441 | - | 2436 | = | 5 | * | (69 | / | 173) | = | 1.99421965 | ||
| 4 | 86533 | 2497 | - | 2485 | = | 12 | * | (48 | / | 173) | = | 3.32947976 | ||
| 5 | 86534 | 2487 | - | 2528 | = | -41 | * | (56 | / | 173) | = | -13.27167626 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Green Acres Elementary | -8 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -44 | -20 | -24 | -7 | -8 | -103.0 | -20.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 24.4
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -65.6
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 | 63% | 56% | 51% | 56% | 59% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Live Oak Elementary school district | County of Santa Cruz
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.
Green Acres Elementary math proficiency
Zero+ meets standard.
51% less $meal
49% less $meal
42% less $meal
48% less $meal
54% 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.
Elementary School (Public) schools in Live Oak Elementary (4)
| Del Mar Elementary | Green Acres Elementary | Live Oak Elementary |
| Ocean Alternative Education Center |