Vista Grande Elementary (Data source)
Source data for Vista Grande 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 | 1070194 | 2487 | - | 2436 | = | 51 | * | (73 | / | 228) | = | 16.32894734 | ||
| 4 | 1070197 | 2541 | - | 2485 | = | 56 | * | (72 | / | 228) | = | 17.68421049 | ||
| 5 | 1070198 | 2553 | - | 2528 | = | 25 | * | (83 | / | 228) | = | 9.10087718 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Vista Grande Elementary | 43 | ||||||||||||
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 | 33553 | 2500 | - | 2436 | = | 64 | * | (69 | / | 218) | = | 20.2568807 | ||
| 4 | 33555 | 2526 | - | 2485 | = | 41 | * | (75 | / | 218) | = | 14.10550458 | ||
| 5 | 33558 | 2569 | - | 2528 | = | 41 | * | (74 | / | 218) | = | 13.91743118 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Vista Grande Elementary | 48 | ||||||||||||
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 | 34154 | 2486 | - | 2436 | = | 50 | * | (75 | / | 236) | = | 15.8898305 | ||
| 4 | 34157 | 2552 | - | 2485 | = | 67 | * | (82 | / | 236) | = | 23.27966101 | ||
| 5 | 34158 | 2570 | - | 2528 | = | 42 | * | (79 | / | 236) | = | 14.059322 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Vista Grande Elementary | 53 | ||||||||||||
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 | 34159 | 2502 | - | 2436 | = | 66 | * | (71 | / | 231) | = | 20.28571426 | ||
| 4 | 34161 | 2534 | - | 2485 | = | 49 | * | (75 | / | 231) | = | 15.90909088 | ||
| 5 | 34163 | 2574 | - | 2528 | = | 46 | * | (85 | / | 231) | = | 16.92640688 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Vista Grande Elementary | 53 | ||||||||||||
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 | 34324 | 2501 | - | 2436 | = | 65 | * | (76 | / | 218) | = | 22.66055045 | ||
| 4 | 34325 | 2548 | - | 2485 | = | 63 | * | (70 | / | 218) | = | 20.22935777 | ||
| 5 | 34326 | 2576 | - | 2528 | = | 48 | * | (72 | / | 218) | = | 15.85321099 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Vista Grande Elementary | 59 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 43 | 48 | 53 | 53 | 59 | 256.0 | 51.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 69.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: 33.2
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 | 1% | 2% | 3% | 7% | 9% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Palos Verdes Peninsula 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.
Vista Grande Elementary math proficiency
Zero+ meets standard.
1% less $meal
2% less $meal
3% less $meal
6% less $meal
8% 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.