Barstow STEM Academy (Data source)
Source data for Barstow STEM Academy
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 |
||
| 5 | 1944062 | 2521 | - | 2528 | = | -7 | * | (99 | / | 337) | = | -2.05637982 | ||
| 6 | 1944063 | 2555 | - | 2552 | = | 3 | * | (96 | / | 337) | = | 0.8545994 | ||
| 7 | 1944066 | 2574 | - | 2567 | = | 7 | * | (102 | / | 337) | = | 2.11869436 | ||
| 8 | 1944067 | 2581 | - | 2586 | = | -5 | * | (40 | / | 337) | = | -0.59347181 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Barstow STEM Academy | 0 | ||||||||||||
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 |
||
| 5 | 59901 | 2464 | - | 2528 | = | -64 | * | (91 | / | 381) | = | -15.28608922 | ||
| 6 | 59903 | 2557 | - | 2552 | = | 5 | * | (100 | / | 381) | = | 1.31233596 | ||
| 7 | 59904 | 2568 | - | 2567 | = | 1 | * | (97 | / | 381) | = | 0.25459318 | ||
| 8 | 59906 | 2604 | - | 2586 | = | 18 | * | (93 | / | 381) | = | 4.39370078 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Barstow STEM Academy | -9 | ||||||||||||
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 |
||
| 5 | 61615 | 2492 | - | 2528 | = | -36 | * | (94 | / | 386) | = | -8.76683938 | ||
| 6 | 61618 | 2525 | - | 2552 | = | -27 | * | (102 | / | 386) | = | -7.13471501 | ||
| 7 | 61619 | 2558 | - | 2567 | = | -9 | * | (99 | / | 386) | = | -2.30829015 | ||
| 8 | 61621 | 2616 | - | 2586 | = | 30 | * | (91 | / | 386) | = | 7.07253885 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Barstow STEM Academy | -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 |
||
| 5 | 61715 | 2487 | - | 2528 | = | -41 | * | (91 | / | 378) | = | -9.87037034 | ||
| 6 | 61716 | 2554 | - | 2552 | = | 2 | * | (92 | / | 378) | = | 0.48677249 | ||
| 7 | 61719 | 2525 | - | 2567 | = | -42 | * | (98 | / | 378) | = | -10.88888888 | ||
| 8 | 61720 | 2633 | - | 2586 | = | 47 | * | (97 | / | 378) | = | 12.06084653 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Barstow STEM Academy | -8 | ||||||||||||
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 |
||
| 5 | 61984 | 2474 | - | 2528 | = | -54 | * | (95 | / | 377) | = | -13.60742701 | ||
| 6 | 61985 | 2559 | - | 2552 | = | 7 | * | (93 | / | 377) | = | 1.72679045 | ||
| 7 | 61986 | 2550 | - | 2567 | = | -17 | * | (97 | / | 377) | = | -4.37400529 | ||
| 8 | 61987 | 2518 | - | 2586 | = | -68 | * | (92 | / | 377) | = | -16.59416444 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Barstow STEM Academy | -33 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| 0 | -9 | -11 | -8 | -33 | -61.0 | -12.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 17.75
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -48.25
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 | 62% | 57% | 51% | 52% | 56% |
| Data source | 2015 data file | 2016 data file | 2017 data file | 2018 data file | 2019 data file |
Barstow Unified school district County of San Bernardino
THIS chart shows what the school system "wants"
PLUS a "special" or "outside" cause of variation, parent education.
NOT what teachers want.
NOT what principals want.
NOT what parents want.
Barstow STEM Academy math proficiency
Zero+ meets standard.
49% less $meal
45% less $meal
44% less $meal
47% 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.
Intermediate/Middle Schools (Public) schools in Barstow Unified (1)
| Barstow STEM Academy |