Summerdale Elementary (Data source)
Source data for Summerdale 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 | 2626075 | 2453 | - | 2436 | = | 17 | * | (80 | / | 265) | = | 5.13207546 | ||
| 4 | 2626076 | 2467 | - | 2485 | = | -18 | * | (82 | / | 265) | = | -5.56981132 | ||
| 5 | 2626079 | 2502 | - | 2528 | = | -26 | * | (103 | / | 265) | = | -10.10566037 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Summerdale Elementary | -11 | ||||||||||||
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 | 80113 | 2463 | - | 2436 | = | 27 | * | (73 | / | 226) | = | 8.72123892 | ||
| 4 | 80116 | 2484 | - | 2485 | = | -1 | * | (72 | / | 226) | = | -0.31858407 | ||
| 5 | 80117 | 2510 | - | 2528 | = | -18 | * | (81 | / | 226) | = | -6.45132742 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Summerdale Elementary | 2 | ||||||||||||
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 | 82307 | 2456 | - | 2436 | = | 20 | * | (83 | / | 229) | = | 7.24890828 | ||
| 4 | 82308 | 2494 | - | 2485 | = | 9 | * | (77 | / | 229) | = | 3.02620087 | ||
| 5 | 82310 | 2514 | - | 2528 | = | -14 | * | (69 | / | 229) | = | -4.2183406 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Summerdale Elementary | 6 | ||||||||||||
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 | 82509 | 2462 | - | 2436 | = | 26 | * | (64 | / | 214) | = | 7.77570092 | ||
| 4 | 82511 | 2501 | - | 2485 | = | 16 | * | (80 | / | 214) | = | 5.9813084 | ||
| 5 | 82513 | 2530 | - | 2528 | = | 2 | * | (70 | / | 214) | = | 0.65420561 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Summerdale Elementary | 14 | ||||||||||||
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 | 83126 | 2446 | - | 2436 | = | 10 | * | (74 | / | 216) | = | 3.42592592 | ||
| 4 | 83127 | 2501 | - | 2485 | = | 16 | * | (63 | / | 216) | = | 4.66666666 | ||
| 5 | 83128 | 2532 | - | 2528 | = | 4 | * | (79 | / | 216) | = | 1.46296296 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Summerdale Elementary | 10 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -11 | 2 | 6 | 14 | 10 | 21.0 | 4.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 31.2
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -22.8
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 | 41% | 38% | 37% | 41% | 34% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Berryessa Union Elementary school district | County of Santa Clara
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.
Summerdale Elementary math proficiency
Zero+ meets standard.
29% less $meal
27% less $meal
25% less $meal
32% less $meal
27% 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.