Skyline North Elementary (Data source)
Source data for Skyline North 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 | 1946420 | 2410 | - | 2436 | = | -26 | * | (77 | / | 224) | = | -8.9375 | ||
| 4 | 1946423 | 2488 | - | 2485 | = | 3 | * | (62 | / | 224) | = | 0.83035714 | ||
| 5 | 1946424 | 2489 | - | 2528 | = | -39 | * | (46 | / | 224) | = | -8.00892854 | ||
| 6 | 1946427 | 2542 | - | 2552 | = | -10 | * | (39 | / | 224) | = | -1.74107142 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2015 Difference From Standard for Skyline North Elementary | -18 | ||||||||||||
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 | 59969 | 2438 | - | 2436 | = | 2 | * | (69 | / | 245) | = | 0.56326531 | ||
| 4 | 59970 | 2475 | - | 2485 | = | -10 | * | (74 | / | 245) | = | -3.02040816 | ||
| 5 | 59972 | 2462 | - | 2528 | = | -66 | * | (55 | / | 245) | = | -14.81632647 | ||
| 6 | 59974 | 2546 | - | 2552 | = | -6 | * | (47 | / | 245) | = | -1.1510204 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2016 Difference From Standard for Skyline North Elementary | -18 | ||||||||||||
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 | 61699 | 2431 | - | 2436 | = | -5 | * | (68 | / | 234) | = | -1.45299145 | ||
| 4 | 61700 | 2495 | - | 2485 | = | 10 | * | (61 | / | 234) | = | 2.6068376 | ||
| 5 | 61702 | 2487 | - | 2528 | = | -41 | * | (58 | / | 234) | = | -10.16239313 | ||
| 6 | 61705 | 2515 | - | 2552 | = | -37 | * | (47 | / | 234) | = | -7.4316239 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2017 Difference From Standard for Skyline North Elementary | -16 | ||||||||||||
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 | 61791 | 2456 | - | 2436 | = | 20 | * | (58 | / | 228) | = | 5.08771928 | ||
| 4 | 61793 | 2476 | - | 2485 | = | -9 | * | (67 | / | 228) | = | -2.64473684 | ||
| 5 | 61795 | 2473 | - | 2528 | = | -55 | * | (43 | / | 228) | = | -10.37280701 | ||
| 6 | 61797 | 2523 | - | 2552 | = | -29 | * | (60 | / | 228) | = | -7.63157893 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2018 Difference From Standard for Skyline North Elementary | -16 | ||||||||||||
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 | 62060 | 2440 | - | 2436 | = | 4 | * | (52 | / | 237) | = | 0.87763713 | ||
| 4 | 62061 | 2507 | - | 2485 | = | 22 | * | (56 | / | 237) | = | 5.19831222 | ||
| 5 | 62062 | 2407 | - | 2528 | = | -121 | * | (81 | / | 237) | = | -41.35443027 | ||
| 6 | 62063 | 2491 | - | 2552 | = | -61 | * | (48 | / | 237) | = | -12.35443035 | ||
| Step 4 | SUM Weighted Distance From Standard to get 2019 Difference From Standard for Skyline North Elementary | -48 | ||||||||||||
Last steps
Compute the average
| 2015 | 2016 | 2017 | 2018 | 2019 | Sum | Average |
|---|---|---|---|---|---|---|
| -18 | -18 | -16 | -16 | -48 | -116.0 | -23.2 |
Compute the Upper Control Limit
Simply compute the standard deviation and multiply by 3 and add to the average: 15.8
Compute the Lower Control Limit
Simply compute the standard deviation and multiply by 3 and subtract from the average: -62.2
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 | 69% | 70% | 67% | 71% | 81% |
| 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.
Skyline North Elementary math proficiency
Zero+ meets standard.
61% less $meal
62% less $meal
61% less $meal
67% less $meal
81% 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 Barstow Unified (7)
| Barstow Fine Arts Academy | Cameron Elementary | Crestline Elementary |
| Henderson Elementary | Lenwood Elementary | Montara Elementary |
| Skyline North Elementary |