Boulder Creek Elementary (Data source)
Source data for Boulder Creek 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 | 2755622 | 2426 | - | 2436 | = | -10 | * | (91 | / | 254) | = | -3.58267716 | ||
| 4 | 2755625 | 2486 | - | 2485 | = | 1 | * | (79 | / | 254) | = | 0.31102362 | ||
| 5 | 2755626 | 2493 | - | 2528 | = | -35 | * | (84 | / | 254) | = | -11.57480314 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Boulder Creek Elementary | -15 | ||||||||||||
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 | 83829 | 2445 | - | 2436 | = | 9 | * | (86 | / | 241) | = | 3.21161826 | ||
| 4 | 83831 | 2475 | - | 2485 | = | -10 | * | (81 | / | 241) | = | -3.36099585 | ||
| 5 | 83832 | 2519 | - | 2528 | = | -9 | * | (74 | / | 241) | = | -2.76348547 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Boulder Creek Elementary | -3 | ||||||||||||
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 | 86144 | 2421 | - | 2436 | = | -15 | * | (72 | / | 246) | = | -4.39024389 | ||
| 4 | 86146 | 2495 | - | 2485 | = | 10 | * | (88 | / | 246) | = | 3.57723577 | ||
| 5 | 86148 | 2499 | - | 2528 | = | -29 | * | (86 | / | 246) | = | -10.13821136 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Boulder Creek Elementary | -11 | ||||||||||||
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 | 86377 | 2443 | - | 2436 | = | 7 | * | (78 | / | 240) | = | 2.275 | ||
| 4 | 86378 | 2452 | - | 2485 | = | -33 | * | (74 | / | 240) | = | -10.17499999 | ||
| 5 | 86381 | 2512 | - | 2528 | = | -16 | * | (88 | / | 240) | = | -5.86666666 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Boulder Creek 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 | 86976 | 2465 | - | 2436 | = | 29 | * | (84 | / | 233) | = | 10.45493561 | ||
| 4 | 86977 | 2493 | - | 2485 | = | 8 | * | (73 | / | 233) | = | 2.50643777 | ||
| 5 | 86978 | 2489 | - | 2528 | = | -39 | * | (76 | / | 233) | = | -12.72103002 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Boulder Creek Elementary | 0 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -15 | -3 | -11 | -14 | 0 | -43.0 | -8.6 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 4.25
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -25.75
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 | 24% | 22% | 22% | 27% | 31% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
San Lorenzo Valley Unified 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.
Boulder Creek Elementary math proficiency
Zero+ meets standard.
20% less $meal
19% less $meal
20% less $meal
24% 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 San Lorenzo Valley Unified (2)
| Boulder Creek Elementary | San Lorenzo Valley Elementary |